On May 14, the crescent supermoon will glide close to Saturn in the sky, before completely vanishing during the new moon ...

Venus and the moon will appear together in the sky May 18 in a celestial conjunction visible across the US. Here's what to ...

You're a long-necked Titanosaur grazing the plains and chomping away on tree leaves about 100 million years ago in the Early ...

Venus and the moon will appear close together in the sky May 18. Here's how to see the celestial conjunction around the ...

The crescent supermoon will bring the month's darkest skies, making this the best week for stargazing with a chance to spot ...

Citizen scientists working with NASA have helped identify more than 3,000 brown dwarfs—dim, elusive objects that sit between ...

NASA’s Mars planning documents contain a quiet warning: a 375-day round trip may push astronauts past the allowable lifetime ...

A rare predawn alignment will bring together Mars, Saturn and a thin crescent moon in the eastern sky on May 14, creating a ...

New government UFO files reveal Apollo 17 astronauts saw 'Fourth of July' like flashes and other strange phenomena during a ...