When you think about the phrase “Mega-Earth,” your mind probably jumps straight to a sci-fi blockbuster movie poster or a comic book alternate dimension. But astronomers just proved that huge, rocky ...

NASA’s new observatory, the Nancy Grace Roman Space Telescope, has lifted off to solve the universe’s enduring mysteries.

Saturn is home to a newly discovered phenomenon: a giant, 10-sided enigmatic pattern around its south pole known as a decagon ...

Astronomers have detected a neutron star collision in an unexpected place, deep within a tiny, faint galaxy. Located about 4.7 billion light-years away, this collision occurred within a vast gas ...

Add Yahoo as a preferred source to see more of our stories on Google. The space shuttle Discovery arrives for its final destination at the Smithsonian's Udvar-Hazy Center in 2012. The aircraft used to ...

“One way or another, we’re going to make sure Johnson Space Center gets its historic spacecraft right where it belongs.” Reading time 3 minutes For months, Texas senators have made a controversial ...

NASA's TESS (Transiting Exoplanet Survey Satellite) identified a large new exoplanet orbiting far from its host star thanks to ripples in the space-time continuum. The newly discovered planet is 1.6 ...

UNIDENTIFIED ANNOUNCER: Booster ignition and the final liftoff of Discovery, a tribute to the dedication, hard work and pride of America's space shuttle team. The shuttle has cleared the tower. DAVID ...