From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

NASA’s latest images from Mars show a rock that looks less like a random boulder and more like something deliberately carved, a sculpted shard standing alone on the dusty plain. The discovery has ...

The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.