Astronomers have identified a newly discovered exoplanet that may orbit within the outer edge of its star's habitable zone, raising fresh questions about how common potentially life-supporting worlds ...

Picture this. We're floating through the cosmos on a pale blue dot, orbiting an average star in an unremarkable galaxy. The big question that has haunted humanity since we first looked up at the night ...

Astronomers have uncovered an extraordinary exoplanet circling a pulsar, a remnant of a exploded massive star. Named PSR J2322-2650 b, this world defies expectations with its unique helium-carbon ...

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning jewel—a planet around a tiny red dwarf star that may have the right conditions to ...

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 ...

An international team of scientists, including researchers at Penn State, dubbed the exoplanet, named GJ 251 c, a “super-Earth” as data suggest it has a rocky composition similar to Earth and is ...