Donald Trump, who overcame impeachments, criminal indictments and a pair of assassination attempts to win another term in the ...

President Donald Trump, in his first remarks as the 47th president, said he wants to send American astronauts to Mars.

Thousands of mounds and hills in Mars' barren northern plains are full of clay minerals, providing evidence that the rocks ...

It was a routine flight for the rotorcraft, which had proved that powered, controlled flight was possible on another planet, ...

Last week, a full moon lit up the sky but it was another celestial moment, one that’s more rare, that wowed sky-gazers and ...