Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

NASA and SpaceX are accelerating plans to return astronauts Sunita Williams and Butch Wilmore to Earth, targeting mid-March.

Timeline, totals, travel impacts ...

With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.

Euclid, a space telescope on a mission to uncover the secrets of dark matter and dark energy, has already made a stunning discovery: a perfectly formed Einstein ring hidden in a well-known galaxy.

NASA moved up the launch of Crew-10 to March 12 to return the Starliner astronauts home sooner. Crew-10 will now launch on Crew Dragon Endurance, which was originally assigned to the Axiom 4 mission.

Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.

SpaceX and NASA, under pressure to get a pair of Boeing Starliner astronauts home sooner than later, announced Tuesday they have shifted plans for the next mission to the International Space Station.

Get the hour-by-hour timeline for the winter weather bout for Wednesday into Thursday. Then, at :41 of this video, see a projected timeline for how Sunday's storm system could shape up.

Unexpected epochs of stillness that punctuate the cosmic timeline could offer a natural explanation for dark matter and many ...

"We're at solar maximum; to find time to make some of these big changes is going to require time and more resources, so we ...