Scientists found unusual sulfur in moon samples from Apollo 17. The discovery reveals new clues about the Moon’s ancient ...

Think of it this way: only around 10,000 decently sized meteorites slam into Earth per year. Meanwhile, the planet is ...

On Oct. 13, 1773, Charles Messier spotted the Whirlpool Galaxy (M51) for the first time. Writing of it a few months later, he ...

It's great to see old astronomical observations come to light. Not only can these confirm or refute what's known about ...

Nebulas are spectacular clouds of gas and dust where stars come to life and fade away. Their radiant beauty has captivated ...