Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers ...

Hundreds of New Mexicans were asked to hand over home security footage in the search for Major General William Neil McCasland.

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly. For ...

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien technology. Here’s the truth.

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

In 2017 astronomers detected an unusual object entering our Solar System from interstellar space. Named ‘Oumuamua, it ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Analysis by The Atlantic found that two sizeable bets were placed on prediction market Kalshi in short succession this week.