Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Steven Spielberg’s credulity makes his latest alien contact film, Disclosure Day, mawkish and old-fashioned rather than ...

Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm whether aliens have made contact with Earth.

A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an interstellar object, and the results are now in. According to research ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...