NASA says that this image, originally taken in 2017 by the Mars Reconnaissance Orbiter, shows several holes on the surface of ...

Holes such as this are of particular interest because they might be portals to lower levels that extend into expansive ...

NASA spots a mysterious 100-meter hole on Mars that could lead to underground caves — raising hopes of hidden alien life and ...

A MYSTERIOUS hole on Mars could be harbouring alien life in an extensive network of underground tunnels, according to Nasa. From orbit, scientists have captured a deep pit on the Red Planet that ...

Holes such as this are of particular interest because they might be portals to lower levels that extend into expansive underground caves,' NASA researchers said. 'If so, these naturally occurring ...

Scientists have discovered a mysterious hole on Mars they say could potentially "contain life". Nasa said the hole could be ...