Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But data from Nasa’s orbiters suggests there are karst caves – underground bunkers ...

The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

SpaceX CEO Elon Musk suggested on a Wednesday episode of Senator Ted Cruz's podcast that while humans may not find living aliens on Mars, they could uncover the "ruins of a long-dead alien ...

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 ...

Since humanity’s first steps on the Moon, the aspiration to extend human civilization beyond Earth has been a central objective of international space agencies, targeting long-term extraterrestrial ...