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 ...

Space science at NASA is on the chopping block.

Astronomers may have found the strongest hint of life beyond Earth thanks to new data from the James Webb Space Telescope.

A team of astronomers has detected what they call the most promising signs to date of a possible biosignature, or signs of ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

In a potential breakthrough in the search for alien life, a team of international researchers has identified chemical ...

Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond our ...

Using the James Webb Space Telescope, a British-U.S. team of researchers detected signs of two chemicals in the planet’s ...

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the ...