diff --git a/frontend/src/lib/api.js b/frontend/src/lib/api.js
index ff5334e..5d00cdd 100644
--- a/frontend/src/lib/api.js
+++ b/frontend/src/lib/api.js
@@ -5,12 +5,20 @@ export async function getJSON(url) {
 }
 
 export async function postJSON(url, body) {
-  const r = await fetch(url, {
-    method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify(body ?? {}),
-    credentials: 'same-origin', // send/receive the session cookie
-  });
+  return sendJSON('POST', url, body);
+}
+
+export async function delJSON(url) {
+  return sendJSON('DELETE', url);
+}
+
+async function sendJSON(method, url, body) {
+  const opts = { method, credentials: 'same-origin' };
+  if (body !== undefined) {
+    opts.headers = { 'Content-Type': 'application/json' };
+    opts.body = JSON.stringify(body);
+  }
+  const r = await fetch(url, opts);
   if (!r.ok) {
     let msg = r.statusText;
     try {
diff --git a/frontend/src/lib/auth.svelte.js b/frontend/src/lib/auth.svelte.js
index fdefa6a..e702a4a 100644
--- a/frontend/src/lib/auth.svelte.js
+++ b/frontend/src/lib/auth.svelte.js
@@ -1,8 +1,9 @@
-// Shared, reactive auth state (Svelte 5 runes in a module). Components read
-// `auth.user` and it stays reactive across the app.
-import { getJSON, postJSON } from './api.js';
+// Shared, reactive auth + saved-articles state (Svelte 5 runes in a module).
+import { SvelteSet } from 'svelte/reactivity';
+import { getJSON, postJSON, delJSON } from './api.js';
 
 export const auth = $state({ user: null, ready: false });
+export const savedIds = new SvelteSet(); // reactive set of saved article ids
 
 export async function refresh() {
   try {
@@ -12,6 +13,34 @@ export async function refresh() {
   } finally {
     auth.ready = true;
   }
+  if (auth.user) await loadSaved();
+  else savedIds.clear();
+}
+
+export async function loadSaved() {
+  try {
+    const ids = await getJSON('/api/saved/ids');
+    savedIds.clear();
+    for (const id of ids) savedIds.add(id);
+  } catch {
+    /* not signed in / transient — leave as-is */
+  }
+}
+
+// Optimistic toggle; reverts on failure.
+export async function toggleSave(id) {
+  if (!auth.user) return false;
+  const willSave = !savedIds.has(id);
+  if (willSave) savedIds.add(id);
+  else savedIds.delete(id);
+  try {
+    if (willSave) await postJSON(`/api/saved/${id}`, {});
+    else await delJSON(`/api/saved/${id}`);
+  } catch {
+    if (willSave) savedIds.delete(id);
+    else savedIds.add(id);
+  }
+  return savedIds.has(id);
 }
 
 // Request a magic link. Reply is intentionally identical for any address.
@@ -19,10 +48,10 @@ export function startEmail(email) {
   return postJSON('/api/auth/email/start', { email });
 }
 
-// Exchange a magic-link token for a session (cookie set server-side).
 export async function verifyToken(token) {
   const res = await postJSON('/api/auth/email/verify', { token });
   auth.user = res.user;
+  await loadSaved();
   return res;
 }
 
@@ -31,5 +60,6 @@ export async function logout() {
     await postJSON('/api/auth/logout', {});
   } finally {
     auth.user = null;
+    savedIds.clear();
   }
 }
diff --git a/frontend/src/lib/components/ArticleCard.svelte b/frontend/src/lib/components/ArticleCard.svelte
index abfa14e..68f7d34 100644
--- a/frontend/src/lib/components/ArticleCard.svelte
+++ b/frontend/src/lib/components/ArticleCard.svelte
@@ -1,5 +1,8 @@
 <script>
+  import { auth, savedIds, toggleSave } from '$lib/auth.svelte.js';
+
   let { article, onaction, onreplace, ontag, onimageerror, hero = false } = $props();
+  let isSaved = $derived(savedIds.has(article.id));
 
   const humanize = (s) => (s || '').replace(/-/g, ' ');
   // Grouping tags are the doorways; cap at 3 so cards stay calm. Fall back to
@@ -83,6 +86,16 @@
     {/if}
 
     <div class="actions">
+      {#if auth.user}
+        <button class="save" class:on={isSaved} onclick={() => toggleSave(article.id)}
+                aria-pressed={isSaved} title={isSaved ? 'Saved' : 'Save for later'}>
+          <svg viewBox="0 0 24 24" aria-hidden="true" width="13" height="13">
+            <path d="M6 3h12v18l-6-4-6 4z" fill={isSaved ? 'currentColor' : 'none'}
+                  stroke="currentColor" stroke-width="1.8" stroke-linejoin="round" />
+          </svg>
+          {isSaved ? 'Saved' : 'Save'}
+        </button>
+      {/if}
       {#if onreplace}
         <button class="replace" onclick={() => onreplace(article)}>
           {article.paywalled ? 'Find one I can read' : 'Replace'}
@@ -163,10 +176,16 @@
   }
   .actions button:hover { color: var(--accent-deep); border-bottom-color: var(--accent); }
   .actions .replace { color: var(--accent-deep); border-bottom-color: var(--accent-soft); }
+  .actions .save {
+    display: inline-flex; align-items: center; gap: 5px;
+    color: var(--accent-deep); border-bottom-color: var(--accent-soft);
+  }
+  .actions .save.on { color: var(--accent); }
+  /* Save + Replace stay visible; the muter actions reveal on hover. */
   @media (hover: hover) {
-    .actions button:not(.replace) { opacity: 0; transition: opacity 0.16s ease; }
-    article:hover .actions button:not(.replace),
-    article:focus-within .actions button:not(.replace) { opacity: 1; }
+    .actions button:not(.replace):not(.save) { opacity: 0; transition: opacity 0.16s ease; }
+    article:hover .actions button:not(.replace):not(.save),
+    article:focus-within .actions button:not(.replace):not(.save) { opacity: 1; }
   }
 
   /* ---- Typographic editorial tile (every non-hero card) ---- */
diff --git a/frontend/src/routes/+page.svelte b/frontend/src/routes/+page.svelte
index a1c43b0..2d1b504 100644
--- a/frontend/src/routes/+page.svelte
+++ b/frontend/src/routes/+page.svelte
@@ -1,6 +1,6 @@
 <script>
   import { onMount } from 'svelte';
-  import { getJSON } from '$lib/api.js';
+  import { getJSON, postJSON } from '$lib/api.js';
   import * as P from '$lib/prefs.js';
   import Header from '$lib/components/Header.svelte';
   import BottomNav from '$lib/components/BottomNav.svelte';
@@ -8,7 +8,7 @@
   import ArticleCard from '$lib/components/ArticleCard.svelte';
   import BoundariesPanel from '$lib/components/BoundariesPanel.svelte';
   import SignIn from '$lib/components/SignIn.svelte';
-  import { auth, refresh as refreshAuth, logout as authLogout } from '$lib/auth.svelte.js';
+  import { auth, savedIds, refresh as refreshAuth, logout as authLogout } from '$lib/auth.svelte.js';
 
   let moods = $state([]);
   let topics = $state([]);
@@ -32,6 +32,19 @@
     await authLogout();
     showYou = false;
   }
+
+  // On first sign-in (per account, per device), fold this device's anonymous
+  // history + saved into the account so nothing's lost.
+  $effect(() => {
+    const u = auth.user;
+    if (!u || typeof window === 'undefined') return;
+    const key = 'goodnews:imported:' + u.id;
+    if (localStorage.getItem(key)) return;
+    const seen = [...new Set([...seenIds, ...history.map((a) => a.id)])];
+    postJSON('/api/import', { seen, saved: [] })
+      .then(() => localStorage.setItem(key, '1'))
+      .catch(() => {});
+  });
   let loading = $state(true);
   let error = $state('');
 
@@ -53,16 +66,20 @@
   }
   function remember(items) {
     let changed = false;
+    const freshIds = [];
     for (const a of items || []) {
       if (a && !seenIds.has(a.id)) {
         seenIds.add(a.id);
         history.unshift(a);
+        freshIds.push(a.id);
         changed = true;
       }
     }
     if (changed) {
       if (history.length > HISTORY_CAP) history = history.slice(0, HISTORY_CAP);
       persistSession();
+      // Mirror newly-seen items into the account history (cross-device), best-effort.
+      if (auth.user && freshIds.length) postJSON('/api/history', { ids: freshIds }).catch(() => {});
     }
   }
   function clearSession() {
@@ -88,16 +105,20 @@
   let viewLabel = $derived(
     selected === 'today'
       ? 'Highlights from Today'
-      : currentTag
-        ? humanize(currentTag)
-        : (currentMood?.label ?? cap(currentTopic?.key) ?? '')
+      : selected === 'saved'
+        ? 'Saved'
+        : currentTag
+          ? humanize(currentTag)
+          : (currentMood?.label ?? cap(currentTopic?.key) ?? '')
   );
   let viewSubtitle = $derived(
     selected === 'today'
       ? (brief?.brief_date ?? '')
-      : currentTag
-        ? (tagFamily?.description ?? '')
-        : (currentMood?.description ?? currentTopic?.description ?? '')
+      : selected === 'saved'
+        ? 'Articles you saved to read later'
+        : currentTag
+          ? (tagFamily?.description ?? '')
+          : (currentMood?.description ?? currentTopic?.description ?? '')
   );
   let activeTab = $derived(showYou ? 'you' : selected === 'today' ? 'today' : 'browse');
 
@@ -156,6 +177,9 @@
     try {
       if (key === 'today') {
         await loadToday(fresh);
+      } else if (key === 'saved') {
+        feed = (await getJSON('/api/saved')).items;
+        remember(feed);
       } else if (key.startsWith('tag:')) {
         const tag = key.slice(4);
         const q = P.param(userPrefs);
@@ -302,6 +326,9 @@
       <div class="phead"><h2>You</h2><button class="close" onclick={() => (showYou = false)}>done</button></div>
       {#if auth.user}
         <div class="acctline">Signed in as <strong>{auth.user.email}</strong></div>
+        <button class="yourow" onclick={() => { showYou = false; select('saved'); }}>
+          <span>Saved</span>{#if savedIds.size}<span class="dot">{savedIds.size}</span>{/if}
+        </button>
       {/if}
       <button class="yourow" onclick={() => { showYou = false; showBoundaries = true; }}>
         <span>Your boundaries</span>{#if filtersOn}<span class="dot">on</span>{/if}
@@ -355,7 +382,11 @@
           {/each}
         </div>
       {:else}
-        <p class="muted center pad">Nothing here right now — try another, or ease a boundary.</p>
+        {#if selected === 'saved'}
+          <p class="muted center pad">Nothing saved yet — tap <strong>Save</strong> on any story to keep it here.</p>
+        {:else}
+          <p class="muted center pad">Nothing here right now — try another, or ease a boundary.</p>
+        {/if}
       {/if}
     {/key}
 
diff --git a/goodnews/api.py b/goodnews/api.py
index b9d0a5c..746eb70 100644
--- a/goodnews/api.py
+++ b/goodnews/api.py
@@ -97,6 +97,13 @@ def _current_user(conn: sqlite3.Connection, request: Request) -> sqlite3.Row | N
     return user
 
 
+def _require_user(conn: sqlite3.Connection, request: Request) -> sqlite3.Row:
+    user = _current_user(conn, request)
+    if not user:
+        raise HTTPException(status_code=401, detail="Sign in to do that.")
+    return user
+
+
 def _send_link_safe(email: str, link: str) -> None:
     """Send the magic link, swallowing failures (runs off the request path)."""
     try:
@@ -284,6 +291,15 @@ class SessionOut(BaseModel):
     token: str  # for non-browser (app) clients; the web SPA uses the cookie
 
 
+class IdsBody(BaseModel):
+    ids: list[int] = []
+
+
+class ImportBody(BaseModel):
+    seen: list[int] = []
+    saved: list[int] = []
+
+
 # --- App --------------------------------------------------------------------
 
 
@@ -420,6 +436,86 @@ def create_app() -> FastAPI:
         ok.delete_cookie(OAUTH_COOKIE, path="/")
         return ok
 
+    # --- Saved articles, history, and one-time import (all require sign-in) ---
+
+    @app.get("/api/saved", response_model=FeedResponse)
+    def saved_list(request: Request) -> FeedResponse:
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            rows = queries.saved(conn, user["id"])
+        items = [Article.from_row(r) for r in rows]
+        return FeedResponse(topic=None, flavor=None, count=len(items), items=items)
+
+    @app.get("/api/saved/ids")
+    def saved_id_list(request: Request) -> list[int]:
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            return queries.saved_ids(conn, user["id"])
+
+    @app.post("/api/saved/{article_id}")
+    def save_article(article_id: int, request: Request) -> dict:
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            if not conn.execute("SELECT 1 FROM articles WHERE id = ?", (article_id,)).fetchone():
+                raise HTTPException(status_code=404, detail="No such article.")
+            conn.execute(
+                "INSERT OR IGNORE INTO saved_articles (user_id, article_id) VALUES (?, ?)",
+                (user["id"], article_id),
+            )
+            conn.commit()
+        return {"saved": True}
+
+    @app.delete("/api/saved/{article_id}")
+    def unsave_article(article_id: int, request: Request) -> dict:
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            conn.execute(
+                "DELETE FROM saved_articles WHERE user_id = ? AND article_id = ?",
+                (user["id"], article_id),
+            )
+            conn.commit()
+        return {"saved": False}
+
+    @app.get("/api/history", response_model=FeedResponse)
+    def history_list(request: Request) -> FeedResponse:
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            rows = queries.history(conn, user["id"])
+        items = [Article.from_row(r) for r in rows]
+        return FeedResponse(topic=None, flavor=None, count=len(items), items=items)
+
+    @app.post("/api/history")
+    def record_history(body: IdsBody, request: Request) -> dict:
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            for aid in queries.existing_article_ids(conn, body.ids):
+                conn.execute(
+                    "INSERT OR IGNORE INTO user_history (user_id, article_id, event) "
+                    "VALUES (?, ?, 'seen')",
+                    (user["id"], aid),
+                )
+            conn.commit()
+        return {"ok": True}
+
+    @app.post("/api/import")
+    def import_local(body: ImportBody, request: Request) -> dict:
+        """Fold this device's anonymous history/saved into the account (one-time)."""
+        with get_conn() as conn:
+            user = _require_user(conn, request)
+            for aid in queries.existing_article_ids(conn, body.seen):
+                conn.execute(
+                    "INSERT OR IGNORE INTO user_history (user_id, article_id, event) "
+                    "VALUES (?, ?, 'seen')",
+                    (user["id"], aid),
+                )
+            for aid in queries.existing_article_ids(conn, body.saved):
+                conn.execute(
+                    "INSERT OR IGNORE INTO saved_articles (user_id, article_id) VALUES (?, ?)",
+                    (user["id"], aid),
+                )
+            conn.commit()
+        return {"ok": True}
+
     @app.get("/api/categories", response_model=CategoriesResponse)
     def categories() -> CategoriesResponse:
         return CategoriesResponse(
diff --git a/goodnews/queries.py b/goodnews/queries.py
index 174d02a..b50d1fa 100644
--- a/goodnews/queries.py
+++ b/goodnews/queries.py
@@ -153,6 +153,60 @@ def brief(conn: sqlite3.Connection, brief_date: str | None = None, limit: int =
     }
 
 
+def saved(conn: sqlite3.Connection, user_id: int, limit: int = 200) -> list[dict]:
+    """Articles a user has saved, newest first (same shape as the feed)."""
+    rows = conn.execute(
+        f"""
+        SELECT {_ARTICLE_COLUMNS}
+        FROM saved_articles sv
+        JOIN articles a ON a.id = sv.article_id
+        JOIN sources src ON src.id = a.source_id
+        LEFT JOIN article_scores s ON s.article_id = a.id
+        WHERE sv.user_id = ?
+        ORDER BY sv.saved_at DESC
+        LIMIT ?
+        """,
+        (user_id, limit),
+    ).fetchall()
+    return [dict(row) for row in rows]
+
+
+def saved_ids(conn: sqlite3.Connection, user_id: int) -> list[int]:
+    return [r[0] for r in conn.execute(
+        "SELECT article_id FROM saved_articles WHERE user_id = ?", (user_id,)
+    )]
+
+
+def history(conn: sqlite3.Connection, user_id: int, limit: int = 200) -> list[dict]:
+    """Articles in a user's account history, most-recent first."""
+    rows = conn.execute(
+        f"""
+        SELECT {_ARTICLE_COLUMNS}, MAX(h.at) AS seen_at
+        FROM user_history h
+        JOIN articles a ON a.id = h.article_id
+        JOIN sources src ON src.id = a.source_id
+        LEFT JOIN article_scores s ON s.article_id = a.id
+        WHERE h.user_id = ?
+        GROUP BY a.id
+        ORDER BY seen_at DESC
+        LIMIT ?
+        """,
+        (user_id, limit),
+    ).fetchall()
+    return [dict(row) for row in rows]
+
+
+def existing_article_ids(conn: sqlite3.Connection, ids: list[int]) -> list[int]:
+    """Filter to ids that still exist (FK-safe inserts for save/history/import)."""
+    clean = list({int(i) for i in ids})[:1000]
+    if not clean:
+        return []
+    placeholders = ",".join("?" * len(clean))
+    return [r[0] for r in conn.execute(
+        f"SELECT id FROM articles WHERE id IN ({placeholders})", clean
+    )]
+
+
 def tag_counts(conn: sqlite3.Connection, accepted_only: bool = True) -> dict:
     """How many shown (accepted, non-duplicate) articles carry each grouping tag."""
     where = "WHERE a.duplicate_of IS NULL" + (" AND s.accepted = 1" if accepted_only else "")
diff --git a/tests/test_saved_api.py b/tests/test_saved_api.py
new file mode 100644
index 0000000..abd61e4
--- /dev/null
+++ b/tests/test_saved_api.py
@@ -0,0 +1,69 @@
+import pytest
+from fastapi.testclient import TestClient
+
+
+@pytest.fixture
+def client(tmp_path, monkeypatch):
+    db = tmp_path / "t.sqlite3"
+    monkeypatch.setenv("GOODNEWS_DB", str(db))
+    monkeypatch.setenv("GOODNEWS_PUBLIC_BASE_URL", "http://testserver")
+    import importlib
+    import goodnews.api as api
+    importlib.reload(api)
+    from goodnews.db import connect, init_db
+    c = connect(str(db)); init_db(c)
+    c.execute("INSERT INTO sources (id,name,feed_url,trust_score) VALUES (1,'S','http://s/f',5)")
+    for aid in (1, 2, 3):
+        c.execute("INSERT INTO articles (id,source_id,canonical_url,title,url_hash) "
+                  "VALUES (?,1,?,?,?)", (aid, f"http://s/{aid}", f"t{aid}", f"h{aid}"))
+    c.commit(); c.close()
+    return api.create_app(), api
+
+
+def _signed_in(app, api):
+    """A TestClient with an authenticated session cookie."""
+    tc = TestClient(app)
+    sent = {}
+    import goodnews.email_send as es
+    orig = es.send_magic_link
+    es.send_magic_link = lambda to, link: sent.update(link=link)
+    try:
+        tc.post("/api/auth/email/start", json={"email": "a@b.com"})
+        token = sent["link"].split("token=")[1]
+        tc.post("/api/auth/email/verify", json={"token": token})
+    finally:
+        es.send_magic_link = orig
+    return tc
+
+
+def test_saved_requires_auth(client):
+    app, _ = client
+    assert TestClient(app).get("/api/saved").status_code == 401
+    assert TestClient(app).post("/api/saved/1").status_code == 401
+
+
+def test_save_unsave_and_list(client):
+    app, api = client
+    tc = _signed_in(app, api)
+    assert tc.get("/api/saved/ids").json() == []
+    assert tc.post("/api/saved/1").json() == {"saved": True}
+    assert tc.post("/api/saved/2").json() == {"saved": True}
+    assert tc.post("/api/saved/1").json() == {"saved": True}  # idempotent
+    assert sorted(tc.get("/api/saved/ids").json()) == [1, 2]
+    body = tc.get("/api/saved").json()
+    assert body["count"] == 2 and {a["id"] for a in body["items"]} == {1, 2}
+    assert tc.post("/api/saved/999").status_code == 404  # unknown article
+    tc.delete("/api/saved/1")
+    assert tc.get("/api/saved/ids").json() == [2]
+
+
+def test_history_and_import(client):
+    app, api = client
+    tc = _signed_in(app, api)
+    tc.post("/api/history", json={"ids": [1, 2, 2, 999]})  # 999 ignored (FK-safe)
+    hist = tc.get("/api/history").json()
+    assert {a["id"] for a in hist["items"]} == {1, 2}
+    # import folds device-local seen + saved (unknown ids dropped)
+    tc.post("/api/import", json={"seen": [3], "saved": [1, 999]})
+    assert {a["id"] for a in tc.get("/api/history").json()["items"]} == {1, 2, 3}
+    assert tc.get("/api/saved/ids").json() == [1]