Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Disclosure Day had people talking for its fresh take on alien contact and powerful sci-fi themes. These films follow the same ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...

The deep ocean is home to one of the strangest phenomena on Earth: bioluminescence. Scientists estimate that more than 75% of ...