Scientists study 3,000 supernovas and discover that dark energy may be evolving

LINK spacecraft gets close to NASA's Swift Observatory, but not close enough to save it

Dinosaurs Had Rotten Strategy for Nesting in the Cold

The Closest Planet to Our Sun Is Shrinking. Here’s What that Means

Recent scientific findings indicate that the closest planet to our sun is undergoing a process of shrinking.

10,000-year-old fossilized mastodon found in creek

NASA found possible sign of life on Mars, but sample remains stuck there

NASA has identified preserved organic carbon in ancient Martian river rocks, but the critical sample remains stranded on the planet's surface.

Astronomers looked back in time and found a monster 5,000 times bigger than our Galaxy. And it's packed full of dark matter

Astronomers have discovered a primordial supercluster 5,000 times larger than our own galaxy, dating back to when the universe was only 2.1 billion years old.