NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

Within the lifetimes of today’s teenagers, some of the world’s most respected researchers now say the discovery of alien life is not just possible but likely. The claim that we could confirm life ...

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 ...