Jay Stratton's memoir, 'Out of the Shadows,' is being published Oct. 13

Extraterrestrial life could betray itself not in the molecules themselves, but in their arrangement. A recent study shows that living systems leave distinctive statistical patterns in their

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results.

The Trump administration announced the release of newly declassified Unidentified Anomalous Phenomena records, launching a Department of War website to provide public access to government files as part of a transparency push.

How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.

NEW YORK (AP) — A moment early on in “Disclosure Day” will instinctively feel familiar to anyone who grew up with Steven Spielberg films. A TV weather report predicts hail. The camera pans downward, from television set to kitchen table. Plinking sounds begin. Cereal falls into a bowl.

The Trump administration released declassified UAP files featuring Apollo 12 and Apollo 17 photos and transcripts as part of the president's transparency initiative.