Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.