A British-US team of researchers detected signs of two gases that on Earth are produced only by biological processes.

Photographer extraordinaire Don Pettit is about to return to Earth following a seven-month stay aboard the space station. Take a moment to enjoy his best work.

There has been vigorous debate in scientific circles about whether the planet K2-18b, which is 124 light years away in the ...

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

Freshen up your outdoor space with simple, affordable upgrades that deliver a big impact without the big spend ...

Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

A powerful solar storm could do more than light up the skies—it could knock out GPS systems across the globe. Scientists are warning that intense solar activity from the Sun has the potential to ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

There's a chance for G4 (severe) geomagnetic storm tonight, NOAA space weather forecaster Shawn Dahl told CNET.

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday.

"What makes Zhúlóng stand out is just how much it resembles the Milky Way—both in shape, size and stellar mass," said the ...