NASA has discovered a series of mysterious holes punched into the surface of Mars. Researchers spotted the strange structures ...

Mars wasn't always the cold desert we see today. There's increasing evidence that water once flowed on the red planet's surface, billions of years ago. And if there was water, there must also have ...

Uncrewed vehicles like the Perseverance and Curiosity rovers (as well as orbiters) have for years captured stunning photos of ...