Titan, Saturn's largest moon, is a fascinating world that is unique among moons of the outer solar system. It's shrouded in a ...

The European Space Agency (ESA) just released some new snapshots from its Mars Express orbiter that detail the dynamic ...

The water distribution inside the Moon appears to be somewhat lopsided. According to an analysis of lunar materials collected ...

Soil and rocks returned from the moon's mysterious far side suggest it may be drier than the side constantly facing Earth.

What are some of the largest extraterrestrial impacts to effect Earth? Learn what we’ve seen in history, and what is ...