Quite a bit of movie magic made "Alien" the sci-fi horror classic it is -- but one of its biggest challenges was solved with ...

By examining the potential existence of Dyson spheres, a University of Glasgow scientist aims to guide the search for alien ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

The successful launch and testing of a giant airship-come-wind-turbine earlier this month has prompted ...

Long before Sputnik launched, something else may have already been orbiting Earth. Known as the Black Knight Satellite, this ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could ...

A former analyst for the Bank of England wrote to the national bank's current management warning them of a possible financial ...

It makes sense, really.

The Trump administration does not know the whereabouts of 137 Venezuelans it deported last year, Secretary of State Marco Rubio said, adding that attempting to offer them due process would impact U.S.

A layer of molten rock deep inside some rocky planets may be doing more than shaping their interiors. New research points to ...