"Either our models are in error, or the DMS/DMDS might not exist," Schwieterman told Space.com. "Finding life outside the ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

Space science at NASA is on the chopping block.

A Soyuz MS-26 spacecraft carrying Russian cosmonauts Alexey Ovchinin and Ivan Wagner and NASA astronaut Donald Pettit has ...

The Chandra X-ray Observatory was launched on July 23, 1999 aboard Space Shuttle Columbia. See 25 'never-before-seen' images ...

The initial report was based on observations from the powerful James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts. But the results created a lot of hubbub ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Astronomers identified chemical signatures of dimethyl sulfide (DMS) and possibly dimethyl disulfide (DMDS) in the atmosphere ...

"Given everything we know about this planet, a Hycean world with an ocean that is teeming with life is the scenario that best ...

A new study by astronomers about distance planet K2-18b has led to what they’re calling one of the most promising sign of extraterrestrial life in the universe.