All About Astronomy

Astronomy is defined as the scientific study of matter in outer space; particularly the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies (planets, stars) and other phenomena.

Space.com makes it easy to further pursue your passion for astronomy. Check out our Science section and read the latest astronomy news and stories. Track the current findings and missions of the NASA Mars Rovers and examine a study which states that young Mars was a wet world! Revisit your ideas about the history of black holes by reading about the theory of “co-evolution.” Be on top of recent findings like the discovery of a dark vortex on Venus and investigate the newest clues on how galaxies have evolvedover time.

View our amazing image galleries and observe things that can never be captured by astronomy telescopes. Check out the top ten images from when the Deep Impact spacecraft slammed into a comet, and determine which one is your favorite astronomy picture. Take a look at our satellite images of Cassini’s recent discoveries on Saturn, and observe galleries of solar eclipses, nebulas, galaxies and much more as submitted by our dedicated astronomy lovers.

Begin today by clicking on any link, article, photo or other feature below.