Adler Planetarium and Astronomy Museum
Interprets the exploration of the Universe for the broadest possible audience and hosts one of the finest collections of early astronomical instruments in the world.
Shapley - Curtis Debate in 1920
Guide to understanding all facets of the Great Debate between Harlow Shapley and Heber D. Curtis over the scale of the universe. Includes a complete transcript.
Focuses on the instruments, people, and themes of early astronomy.
History of High-Energy Astrophysics
A list of many important dates in the history of high-energy astrophysics and astronomy in general, with links to further details.
Astronomy and World Heritage
Learn how UNESCO and the IAU are working together to promote research and education collaboration as part of UNESCO's Thematic Initiative "Astronomy and World Heritage".
Discovery of the Perseid Meteors
Article from Sky & Telescope magazine on Edward C. Herrick's discovery of the Perseids in 1837.
Ancient-Skies - Human Cultures and Their Skies
Learn about the IYA2009 global scientific project, which aims to collect and publish available information about various human cultures, their astronomical knowledge, and its representation in the sky within a single web accessible knowledgebase.