NASA has discovered a new super-Earth that has a year only lasting a few hours. The exoplanet K2-141b, was found very close to its orange sun-like star, and has an orbital period of less than one ...

Relative sizes of the newly discovered habitable-zone planets and Earth. Left to right: Kepler-69c, Kepler-62e, Kepler-62f and Earth (except for Earth, these are artists' renditions). Image credit: ...

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 ...

NASA announced on Thursday that scientists have discovered a planet similar in size to Earth that orbits in a zone conducive to supporting life. It’s not clear whether the planet discovered is rocky ...

Earth’s elliptical path around the Sun does more than keep the planet in a stable orbit. Because that path is not a perfect circle, the distance between Earth and the Sun changes throughout the year, ...

Spotting new exoplanets with NASA's Kepler space telescope is nothing new. Google even managed to automate the process with machine learning. Just add them to the pile with the 3,700 other exoplanets, ...

The Kepler spacecraft — initially launched to find other habitable planets across the universe — has kicked into an emergency mode more than 75 million miles away in deep space, prompting efforts on ...