Early prototypes of the SpaceX Starship super-capsule that Italy is chartering to speed its spaceflight and biotech experiments to Mars (Marie D. De Jesús/Houston Chronicle via Getty Images) With its ...

NASA made history with a successful first flight of its experimental helicopter on Mars, the first time an aircraft has flown on another planet. The American space agency made its first controlled ...

Add Yahoo as a preferred source to see more of our stories on Google. A dust devil is visible in the distance to the left of the Perseverance rover. Look to the fold in the landscape for a puff of ...

What if we aren’t alone in the universe? People have been speculating about the possibility of alien life forms at least since Lucian’s A True Story, some 1,800 years ago. In modern times, much of ...