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

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

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 ...

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

Steven Spielberg's latest film, starring Emily Blunt and Josh O'Connor, is now in theaters.