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

Scientists have astonishingly recreated a single vowel sound from an ancient Egyptian priest, Nesyamun, who lived 3,000 years ...

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

"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...