A hazy, ultra-light “super-puff” planet, Kepler-51d, is hiding its secrets and challenging how scientists understand planet formation.

Titan, Saturn's largest moon, happens to share some truly remarkable geophysical and geological processes with our home planet.

A newly studied exoplanet, Kepler-51d, is wrapped in an unusually dense layer of haze that may be hiding both what it is made of and how it formed ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

Fifty-nine years ago today, Jimi Hendrix released what would go on to be one of his best-known and most talked-about songs.

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed interstellar visitor ever s.

The guidance adds to the Trump administration’s push to shield the power industry from efforts to improve visibility at national parks. A long-standing EPA program aimed at cleaning up haze-forming ...

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

Military equipment is visible from the entrance to Area 51, a secretive U.S. military base believed by UFO enthusiasts to hold government secrets about extra-terrestrials, in Rachel, Nev., Sept. 19, ...

President Trump had lashed out at former President Barack Obama earlier Thursday for telling a podcaster that aliens were real. By Chris Cameron Reporting from Washington President Trump said on ...

new video loaded: Trump Says He’ll Release Alien and U.F.O. Files transcript “Are aliens real?” “They’re real, but I haven’t seen them. And, they’re not being kept in, what is it?” “Area 51.” “Area 51 ...