Search for Life

Four-time astronaut Scott Kelly spoke with Space.com about UFOs and why air and space are so 'prone to optical illusions' that lead to reports of unidentified anomalous phenomena.

During the opening remarks in today's meeting of NASA's UAP study team, members stressed that the biggest roadblock standing between us and understanding unidentified phenomena is a lack of data.

On Wednesday (May 31), NASA will hold a meeting of the "independent study group" the agency created to study data related to unidentified anomalous phenomena, or UAP. Here's how to watch it live.

A European Mars orbiter beamed a coded message to Earth today (May 24), kicking off a weeks-long project designed to help us prep for a real signal from E.T.

A new project called 'A Sign in Space' will give scientists and laypeople around the world practice at decoding a message from intelligent aliens.

The Pentagon's new UFO office has no evidence of any extraterrestrial or extraordinary objects.

An enormous halo of red light flashed in the night sky above Italy before disappearing within milliseconds. It was likely caused by an electromagnetic pulse from a nearby thunderstorm.

A draft paper by a Harvard scientist and the head of the Pentagon's UFO office has raised the idea an alien mothership could be in the solar system, sending out tiny probes dubbed "dandelion seeds" to explore the planets within.

The Air Force general overseeing North American airspace refused to rule out extraterrestrial forces at play after unidentified objects were shot down in February.

Even quiet red dwarfs are prone to extreme outbursts that put our sun to shame, with significant implications on the search for alien life.