President Donald Trump has invoked a rarely used 1798 law that gives a president immense powers to arrest and deport ...

At a famous 1950 lunch among physicists, Enrico Fermi wondered, "Where are all the aliens?" How far have we come toward ...

Studying how extraterrestrials might communicate could help prepare for first contact and also hint at the point of language ...

"Watch the Skies" was also the original name of Spielberg's "Close Encounters of the Third Kind," his sci-fi classic of 1977.

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

They look like a dish of lentils, or a mass of spider eggs on a leaf. But whatever they are, these tiny little brown blobs, ...