Jezero Crater on Mars was once home to a lake, delta and rivers. See an animation of what it could have looked like when water poured into the crater billions of years ago and present day. Credit: ...

NASA's Perseverance rover finds hundreds of mysterious spheres on Mars, raising exciting questions about the Red Planet's history and possible signs of life.

This 2024 astronaut photo shows the striking colors of Iraq's Razazah Lake, surrounded by a host of strangely circular fields.