James Webb Space Telescope captures unprecedented imagery of galaxy formation
Astronomers using the JWST have observed galaxies forming just 300 million years after the Big Bang, reshaping our understanding of early cosmic history.
Read full articleThe Free Encyclopedia
Over 62 million articles in 329 languages — written collaboratively by volunteers around the world.
The Great Library of Alexandria in Alexandria, Egypt, was one of the largest and most significant libraries of the ancient world. The library was part of a larger research institution called the Mouseion, which was dedicated to the Muses, the nine goddesses of the arts.
Founded in the 3rd century BC under the Ptolemaic dynasty, it aimed to collect all the world's knowledge. At its height, the library housed between 400,000 and 700,000 scrolls of papyrus, drawing scholars from across the Mediterranean world.

Explore knowledge across every field of human endeavor
Astronomers using the JWST have observed galaxies forming just 300 million years after the Big Bang, reshaping our understanding of early cosmic history.
Read full articleA research team has demonstrated a quantum processor capable of sustaining coherence long enough to perform practical calculations previously impossible with classical hardware.
Read full articleA submerged prehistoric landscape known as Doggerland has yielded evidence of a complex society that flourished before rising sea levels swallowed the region.
Read full article
Did you know that the oldest known musical instrument is a vulture bone flute found in a cave in southern Germany, dated to approximately 43,000 years ago?
→ Divje Babe fluteWikipedia is written by thousands of volunteers like you. No credentials required — just curiosity, care, and a commitment to sharing knowledge freely.
Correct errors, add citations, and improve the accuracy of existing articles on topics you know.
Start editingCollaborate with editors, join WikiProjects, and participate in discussions about content quality.
Create accountWikipedia is free for everyone, forever. Your donation keeps it that way — no ads, no paywalls.
Donate now