Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...

The curious minds at What If reveal a planet scientists found that could host alien life, exploring atmosphere, water, and ...

In a major first, scientists have detected water vapor and possibly even liquid water clouds that rain in the atmosphere of a strange exoplanet that lies in the habitable zone of its host star about ...

The dense clump that will appear at upper left during the animation is where the Kepler Telescope found most of its planets, since it focused on this specific region of the ...

Alien solar systems that are home to so-called "hot Jupiters" — gas giants circling sizzlingly close to their stars — are unlikely homes for Earth-like planets, researchers say. Hot Jupiters get their ...

More planets could be homes for aliens than we thought, scientists say - Planets we thought were not inhabitable might ...

In 2021, a curious discovery pushed penguins into an unexpected corner of science. Researchers studying chemical signatures ...