One pilot's offhand description in 1947 started a national obsession that never quit.

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...

The Concept of 'Disclosure Day' Proves to Be Its Undoing Few filmmakers know how to generate action and create tension as well as Spielberg, which is evident throughout the film's 145-minute runtime — ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

Apple TV+ has gradually become one of the strongest homes for science fiction on television. The streaming service has invested heavily in ambitious genre storytelling, from alternate-history space ...

The story of the US is, in many ways, remarkable. It achieved independence against the odds, its constitution has lasted more than two centuries and its democracy has weathered war, economic ...

A bare majority of Supreme Court justices ruled that President Trump’s executive order was unconstitutional, reflecting a conservative shift on the issue.