Top Astronomy Websites

- eso.org

ESO, European Organisation for Astronomical Research in the Southern Hemisphere

- earthsky.org

Based in Austin, TX, the EarthSky team has a blast bringing you daily updates on your cosmos and world. We love your photos and welcome your news tips.

- skyandtelescope.com

Sky & Tel covers the latest night-sky events, astronomy news, astrophotography and observing tips. Also browse our video & podcast guides to tonight's sky.

- planetary.org

The Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and innovative projects.

- heavens-above.com

Satellite predictions and other astronomical data customised for your location.

- astronomy.com

Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes, comets,...

- astrosurf.com

Astronomie pour les astronomes amateurs francophones : des forums d'astronomie, des petites-annonces, l'hébergement gratuit de sites d'astronomie,...