Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

With Steven Spielberg’s “Disclosure Day” due in theaters this week, we give props to the best space invasion movies of all time.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

A Harvard University cosmologist who has suggested alien life forms could be sailing into the solar system disguised as meteors is leading the Trump administration’s secretive new scientific advisory ...