New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars ...

For decades, the search for life on Mars has been a story of hints and maybes, of chemical curiosities that stopped just ...

As the search for life on Mars continues – with promising potential biosignatures recently identified by NASA at the Bright Angel formation – there are a few scientists out there who think we may have ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. Possible giant "karstic" caves that formed when ...

Scientists have created the most detailed map of Mars’ ancient river systems, pinpointing 16 major basins that may have once ...