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

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

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 ...

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 ...