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 ...

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 ...

Earth has some truly bizarre and breathtaking spots — here are 10 landscapes so surreal, they look like they are from another ...

NASA has discovered a planet where storms rage nonstop, creating extreme weather conditions unlike anything on Earth.

A molecule detected on a planet 124 light-years away is produced on Earth by decaying phytoplankton and other microbes. There ...

NASA has revealed a 328-foot-wide hole on Mars, potentially a gateway to subterranean caves that could harbor alien life.

And although the first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens ... planet for clues that life could have existed on its surface.

NASA has admitted that an over 300-foot-wide hole in the surface of Mars could be a 'portal' leading to alien life hiding ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens ... planet – due to its potential to possess a hydrogen-rich atmosphere and ...