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Sourcipedia

An encyclopedia that shows its work.

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 slime mould stretching across a dish, its branches reaching out from the main body

A living entry, not a frozen page.

Every entry lists the material it’s built from and is rewritten as new information appears.

Built from
  • [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.

Entry · Revised Jan 2026

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.

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Anyone reading up on an unfamiliar topic who wants to know where it came from.
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A plain-language summary with its sources attached.
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