A recent paper suggests that if astrobiologists want to make an educated guess about what life on Venus might look like, they ...

While Mercury will be visible throughout early March, there will be two nights that provide especially good opportunities to ...

These conjunctions aren't rare, but they get rarer with each planet added to the chain. For example, the three innermost ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Star would be the first private mission to another planet and the first in over 30 years to directly measure Venus’s clouds.

This Friday, all seven planets will be in the night sky for a brief period. Join the cosmic spectacle and learn where to look ...