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.

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

Timeline, totals, travel impacts ...

Investigators used the evidence to piece together a murder timeline in the case against Zachary Hughes, accused of killing ...

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

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

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.

NASA on Tuesday swapped out the astronaut capsule it plans to use for an upcoming routine flight to the International Space ...

From helping catalyze interstellar reactions and fueling the birth of stars to its presence in neighborhood gas giants like ...

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

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