Sourcipedia writes up any topic in plain language and keeps the sources attached, so you’re never taking a summary on faith. Entries are revised as the record changes, and everything is free to read. Each entry is researched and kept current by ResearchAnything, the engine behind everything we build.

A living entry, not a frozen page.
Every entry lists the material it’s built from and is rewritten as new information appears.
- [1] esa.intMission history and loss-of-contact report
- [2] nasa.gov2015 HiRISE imagery: the finding that revised this entry
Illustration of a typical entry. Every statement traces back to its source.
Beagle 2
A British Mars lander launched in 2003, long presumed destroyed on impact1. Orbital imagery in 2015 showed it landed intact but failed to fully deploy its solar panels, blocking its antenna2…
Written in plain language, for anyone catching up on a subject.
Sources on every entry
Each summary lists the material it’s built from, so you can trace any statement back to where it started.
Kept current
Entries are revised as new information appears, instead of freezing on the day they were written.
Written to be read
Topics are put in plain language, for anyone catching up on a subject, not just specialists in it.
Free to read
No paywall and no account required: open knowledge that anyone can pick up and use.
- Best for
- Anyone reading up on an unfamiliar topic who wants to know where it came from.
- You get
- A plain-language summary with its sources attached.
- Availability
- Live now, free to read.