Could a rogue star disrupt our peaceful solar system? Scientists are keeping a close eye on the galactic neighborhood, and ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

Summer officially begins in the Northern Hemisphere on June 20 with the summer solstice, the day with the greatest amount of ...

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

Spurred by rising utility bills, St. Peter’s-San Pedro Episcopal Church in Salem, Mass., looked for alternatives. Its “Heaven ...

New images are key to understanding solar magnetic storms and other space weather that can disrupt systems on Earth.

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

ESA’s Proba-3 mission has achieved a spacefaring marvel: two satellites flying in perfect formation to mimic total solar ...

Neanderthals have long been the subject of intense scientific debate. This is largely because we still lack clear answers to ...

Summer arrives for northern observers as the Moon visits Venus, Uranus, and Mercury. Plus: globular cluster M15, double star ...

Could a passing star be on a collision course with our solar system and, eventually, Earth?It’s difficult to know if such an ...

Latest agreements add to country’s initiative in long-term surveillance system to protect communications, power grids.