A giant 'wave' is rippling through the Milky Way, pushing thousands of stars across the galaxy, and scientists don't know what triggered it.

Russian scientists have unveiled an ambitious new plasma engine that could drastically cut the travel time to Mars, reducing the journey from several months to just one or two. If successful, this ...

Over 14,000 pieces of junk are clogging up low Earth orbit, but this number could be reduced by a new invention that involves ...

An engine problem with Northrop Grumman’s Cygnus resupply cargo spacecraft that launched from Cape Canaveral earlier this week delayed its arrival to the International Space Station, but it safely ...

Arp 184 or NGC 1961, a skewed or "peculiar" spiral galaxy, is still stunning in this image from the Hubble Space Telescope. One of the 338 formations cataloged by astronomer Halton Arp in 1966 in his ...

CAPE CANAVERAL, Fla. (AP) — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles ...

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years away and has also been imaged by Hubble Space Telescope, comparison shown ...

Northrop Grumman's Cygnus XL cargo ship, carrying more than 11,000 pounds of equipment and supplies for the International Space Station, is scheduled to rendezvous with the space station Thursday ...