Terms and licences
You can reuse almost everything here, including commercially, as long as you credit it. The table says what applies to what.
| What | Licence | What it means |
|---|---|---|
| Articles and text | CC BY 4.0 | Reuse and adapt; credit Mysteries Department and link the page. |
| Datasets we make | CC BY 4.0 | Same, and cite the version you used. |
| Methods and code | MIT | Use the code anywhere; keep the licence notice. |
| Bibliographic records | CC0 | No conditions. Take the whole bibliography if you like. |
| Images of artifacts | Holder's terms | Each image shows its owner and licence. Most are public domain. |
| Our name and logo | Reserved | Use them to refer to us; don't use them to imply we endorse something. |
When you contribute
You keep the copyright in what you write, upload or code. By submitting it, you license it under the terms in the table above, so others can reuse it the same way. Only submit material you have the right to share.
Corrections and takedowns
If something here is wrong, or uses material you own without permission, email [email protected]. We note every correction on the page it affects.
Using the site
- Be civil, and argue with evidence, not with people.
- Don't post personal information about living people.
- Automated access is welcome through the API and the agent endpoint; please don't scrape the pages at speed.
Privacy
We keep your email and your contributions. We don't sell data, run ads or use tracking cookies.
- Cookies: one keeps you signed in, one remembers light or dark mode, and one protects forms from forgery.
- Sign-ins and requests to join keep a one-way hash of your address, to stop abuse, not your address itself.
- Email is sent through SMTP2GO, only about your account, your requests and what you follow.
- Cloudflare carries the site's traffic and its security checks.
- To get a copy of your data or delete your account, email [email protected].
Last updated 24 October 2026.