The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

SETI scientists have updated protocols regarding how researchers should announce the existence of alien intelligence to the ...

The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

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

Scientists propose that a moon base could act as an isolated first line of biological defense against extraterrestrial ...

The Trump administration on Friday released much-anticipated UFO files with images showing evidence of what could be extraterrestrial life. THIS BLOG IS NOW CLOSED Article continues below ...

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

Steven Spielberg's “Disclosure Day” returns Hollywood’s preeminent big-screen craftsman to one of his most abiding questions: ...

This could be why we still haven’t found alien life - Traces left behind by organisms on alien worlds may be too subtle to ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Fictional and nonfictional takes on extraterrestrial life. Steven Rowley’s new novel Take Me With You is about a man whose ...