NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the Atlas telescope in Chile earlier this week, and has confirmed it ...

See the Red Planet slip behind the moon and re-emerge in this time-lapse. Credit: Griffith Observatory | edited by ...

NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, ...

NASA astronaut Nichole Ayers captured an electrifying image of a giant lightning "sprite" shooting up over Mexico and ...

Scientists developed living materials that turn Martian dust into structures using synthetic lichens. This innovation enables ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

Wausau Pilot & Review staff Stargazers across central Wisconsin will be treated to a week of vibrant planetary pairings, ...

The Pike in Long Beach and the Pacific Ocean Park in Santa Monica had distinct personality: One was a bit naughty and coarse ...

If rocks could talk, this one (NWA 16788) would have a great tale to tell. It was ejected from its own planet by a massive ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

On the eve of the 249th anniversary of American independence, NASA on Tuesday showcased a patriotic image of Old Glory as ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...