By contrast, Deimos is tiny, with a radius of 6 km, and quite a bit further out, more than 23,000 km from the surface. It is ...

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

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 ...

Scientists using the James Webb Telescope have detected a gas on K2-18b that, on Earth, is only produced by living ...

Amid harsh cuts, the Trump administration has proposed canceling the nearly ready-to-launch Nancy Grace Roman Space Telescope ...

CICLOPS, JPL, ESA, NASA We've been looking at other planets through telescopes for four centuries ... a leader of recent missions to Mercury and Mars. Last year, NASA's Messenger mission gave ...

Using the James Webb Space Telescope, researchers detected ... microbial life under the parched landscapes of Mars or the icy crust of the jovian moon Europa); 2. SETI, experiments designed ...

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 ...

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

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

Scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond ...

Using the James Webb Space Telescope, researchers said they were able to detect signs of sulfur-based molecules called dimethyl sulfide or DMS, which on Earth are only produced by life, primarily ...