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

Imagine standing on a scorched landscape where the ground is cracked and shimmering, and the sky glows a deep, fiery orange.

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 ...

“At least Venus is a planet we know. We know what it looks like ... exclude the possibility that alien chemistry, not alien life, is the source of the DMS. “There's no reason to understand ...

Astronomers have made a detection suggesting biosignatures, or signs of biological activity, on an exoplanet located 124 light-years away. But experts are skeptical.

April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...