The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

Astronomers have discovered that the exoplanet K2-18b, located 124 light years away in the constellation of Leo, may be one of the most promising candidates for life beyond Earth. With a size more ...

New research suggests that planets outside our solar system contain far less surface water than scientists once believed. Contrary to earlier theories that these exoplanets might be covered by deep ...

Astronomers have spotted a small, but potentially significant biosignature outside the solar system - but so far remain cautious about declaring it a conclusive sign of life, because there is a slight ...

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named K2 ...

A team of astronomers recently made the bold claim that they had found "the strongest evidence yet" that life exists anywhere else besides Earth – setting off a media frenzy. By studying data from ...