Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

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

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly passive-aggressive code word.

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is being visited by creatures from light-years away.

The site compares undocumented immigrants to extraterrestrials, refers to people as "it," and says "they do not belong here."

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we expect. When you purchase through links on our site, we may ...

Aliens have been one of the most enduring elements of science fiction. Sometimes they’re terrifying, sometimes they’re wise, and sometimes, they’re just as confused and neurotic as us with humans. Across decades of TV history, aliens have helped ...