Astronomy (56 subreddits)


Everything to do with Astronomy:

The amateur hobby of man since the dawn of time and scientific study of celestial objects.

  • 359,830 subscribers
  • A community for 12 years


/r/NASA is for anything related to the National Aeronautics and Space Administration, the latest news, events, current mission and future missions and more.

space NASA

  • 272,183 subscribers
  • A community for 11 years

/r/SpaceX, the premier spaceflight community

The largest fan-run discussion board on the American aerospace company SpaceX. This board is not an official outlet for SpaceX information.

  • 251,782 subscribers
  • A community for 8 years

Amateur Astrophotography

A subreddit for Redditors who wish to share astronomical images they have taken.

  • 218,010 subscribers
  • A community for 10 years


/r/cosmology - a community for questions, discussions, and articles about cosmology.

  • 22,089 subscribers
  • A community for 10 years

NASA's Mars Curiosity Rover

A subreddit to follow the progress of NASA's Curiosity Rover on Mars.

  • 19,827 subscribers
  • A community for 7 years

The Mars Subreddit

No description available.

  • 12,935 subscribers
  • A community for 11 years

A subreddit for amateur/practicing astronomers

No description available.

  • 12,121 subscribers
  • A community for 11 years

Ask Astronomy

Direct your astronomy related questions here!

Our panelists will do the best to answer your questions.

Interested in being a panelist? PM the moderators with your credentials in astronomy.

  • 8,674 subscribers
  • A community for 7 years

Landscape Astrophotography

Images, discussion, questions, gear and all things related to Landscape Astrophotography

  • 7,344 subscribers
  • A community for 5 years
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