Space-watchers saw the handwriting on the wall months ago, but now it’s official: NASA’s Kepler spacecraft, by far the most successful planet-hunting telescope in history, isn’t coming back. Engineers ...

Launched by NASA in 2009, the Kepler space telescope was outfitted with equipment to discover and study Earth-sized planets in the Milky Way galaxy. It was named after the 17th century scientist and ...

Scientists have devised a new method for mapping the spottiness of distant stars by using observations from NASA missions of orbiting planets crossing their stars’ faces. The model builds on a ...

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 ...

NASA scientists say the Kepler space telescope may have discovered the most “Earth-like” planet yet. Circling a star about 500 light-years away, planet Kepler 186-F may be the right temperature to ...

After three years of searching, scientists have caught the elusive phenomenon. — -- The "brilliant flash" that occurs when a star dies and explodes has been captured for the first time in visible ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

The Kepler probe's focus is on finding another habitable planet. — -- NASA says we're on our way to discovering Earth 2.0. The Kepler Space Telescope has located a planet and star closely ...