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

A new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...

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 ...

Elon Musk has repeatedly said he plans to put humans on Mars, yet the gap between that vision and reality remains wide. The obstacles are not just about rockets or money, but about biology, psychology ...

NASA's Perseverance Mars rover recently came across an odd rock, dubbed "Phippsaksla," that is unlike anything else the robot has found on the Red Planet. It turns out that it probably isn't from our ...