Is Federation of American Scientists down right now?
fas.org
Checking fas.org…
Asking our locations to reach the site. This takes a few seconds.
- Uptime, 24 hours
- 100 %
- Uptime, 7 days
- 100 %
- Uptime, 30 days
- 100 %
Based on 1 day of checks so far. Checks that failed because of how we test, not because of the site, are left out.
Response time per hour, last 24 hours
Response time by location, last 24 hours
| Location | Average response | Reached |
|---|---|---|
| Berlin 1, Germany | 526 ms | 2 of 2 checks |
| Falkenstein, Germany | 494 ms | 4 of 4 checks |
| Berlin 2, Germany | 554 ms | 1 of 1 checks |
Each check runs from all locations at once. A location far from the site’s servers answers later; that says nothing about the site being slow.
Outage history
No confirmed outage on record. An outage is listed once Federation of American Scientists could not be reached from at least two locations in two checks in a row.
Recent checks
| Time | Status | Locations | Response |
|---|---|---|---|
| 2026-10-10 09:13 UTC | Up | 1 of 1 | 493 ms |
| 2026-10-10 08:09 UTC | Up | 1 of 1 | 503 ms |
| 2026-10-10 07:05 UTC | Up | 1 of 1 | 505 ms |
| 2026-10-10 06:02 UTC | Up | 1 of 1 | 546 ms |
| 2026-10-10 05:20 UTC | Up | 1 of 1 | 497 ms |
| 2026-10-10 04:17 UTC | Up | 1 of 1 | 481 ms |
| 2026-10-10 03:14 UTC | Up | 1 of 1 | 554 ms |
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About Federation of American Scientists
Home - Federation of American Scientists
FAS envisions a world where cutting-edge science, technology, ideas and talent are deployed to solve the biggest challenges of our time.
Visit fas.orgTitle and description as published by the site.
We can reach it, but you cannot?
- Reload the page without the cache: Ctrl + F5 on Windows, Cmd + Shift + R on a Mac.
- Open the site in a private window. If it works there, clear the cookies and cache for fas.org.
- Try another network, such as mobile data. If that works, the problem is with your provider or router.
- Switch to a public DNS resolver such as 1.1.1.1 or 8.8.8.8, then flush your DNS cache.
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