When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

WASHINGTON, D.C. – NASA scientists announced Wednesday that they’ve discovered an Earth-size exoplanet that is remarkably similar to our planet. NASA says a team of transatlantic scientists were ...

Could a recently discovered "super-Earth" have the potential temperature and conditions to sustain life? The new exoplanet is situated "fairly close to us" -- only 137 light-years away -- and orbits ...

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 ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...