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

WASHINGTON (Reuters) -In addition to providing a trove of information about the early universe, the James Webb Space Telescope since its 2021 launch has obtained valuable data on various already-known ...

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 ...

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 ...

Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as Kepler-139. The newfound exoplanet, called Kepler-139f, is a gigantic world ...

Nasa recently confirmed that the total number of known exoplanets, alien planets orbiting stars beyond our Solar System, has reached an impressive milestone of 6,000. This reflects decades of cosmic ...