Astronomy & space

Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.

Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.

We are the official body that deals with astrometric observations and orbits of minor planets (asteroids) and comets.

Physics news, reference, education articles, job board, physics fun, and more. Most popular physics and astronomy online portal since 1995!

Refdesk is a free and family friendly web site indexing and reviewing quality, credible, and current Internet reference resources.

Fred Espenak's ultimate eclipse photography web site is www.MrEclipse.com. It contains photographs of both solar and lunar eclipses, as well as photographs of comets,…

Explore the Moon. Discover its dramatic features and phenomena - often beautiful, sometimes bizarre, always changing. Inconstant Moon will take you on a new tour each…

Inspiring Interest and Knowledge of Astronomy Since 1868

San Jose Astronomical Association

Experience the night sky under a full dome at South Downs Planetarium in Chichester. Live shows with professional astronomers, school visits, family events and…