Now, though, researchers have identified what they believe could be oceans’ worth of water on Mars. There’s just one snag: it ...

2001. At the time, this gold mine was the deepest in the Western hemisphere and thus one of the deepest places to sample for underground microbes. More Rick Colwell Mars itself was once covered in ...

Using seismic data from NASA's InSight lander, geophysicists have identified a large underground reservoir of liquid water on Mars, potentially enough to fill ancient Martian oceans. The water is ...