For the first time, astronomers have found a planet the size of Earth around another star. The scientists, using a sophisticated NASA observatory that scans incoming light from stars, announced the ...

Discovered by NASA’s Kepler spacecraft, Kepler-10c is a massive exoplanet that challenges existing theories about planetary formation and habitability. Dubbed a “mega-Earth,” this planet’s ...

"Are we alone?" This ancient question has occupied humanity's mind for a long time. In 1995, the discovery of the first exoplanet orbiting a Sun-like star opened the door to exploring this profound ...

CAPE CANAVERAL, Fla. -- An eighth planet has been found in a faraway solar system, matching our own in numbers. Even more amazing, machines and not humans made the discovery. NASA joined with Google ...

Scientists have used data from NASA's retired planet-hunting space telescope 'Kepler' to discover that small and large worlds have very different upbringings. The team found that larger planets on non ...

The search for extraterrestrial life is one of the most exciting frontiers of modern science. Thanks to recent discoveries of exoplanets like Gliese 581 g, Kepler-22 b, Kepler-186 f, and Kepler-452 b, ...