NASA has outlined how it will respond to President Donald Trump’s order that federal agencies eliminate “waste, bloat, and insularity” — but it’s not yet clear just how sweeping the chan ...

A pair of NASA astronauts, who were stranded in space for more than nine months, returned to Earth on Tuesday, landing in the Gulf of America off Tallahassee, Florida, bringing an end to an ...

Dr. Mason was a principal investigator for NASA’s Twins Study, which studied how astronaut Scott Kelly’s body was impacted by his historic 12-month spaceflight in 2016. Kelly was studied ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. One of the most ...

And splashdown Crew 9 back on Earth. Stuck in space no more, NASA astronauts Butch Wilmore and Suni Williams returned to Earth on Tuesday, hitching a different ride home to close out a saga that ...

The marine mammals swarmed around the recovery team and capsule, welcoming home the astronauts shortly after they splashed down off Florida’s Gulf Coast. transcript Now we can see some ...

NASA told its staff Monday that the space agency will start cutting its ranks − including the office of its chief scientist − as part of a "broader governmentwide restructuring effort.

NASA's SPHEREx and PUNCH missions will need to wait a little longer before heading to space. After delaying the launch of these missions five times — they were originally slated to take to the ...

NASA has abruptly closed its chief-scientist office, along with 2 other offices, firing 23 employees. The 10 March action leaves the agency without a way of feeding independent science advice to ...

NASA engineers are turning off two instruments to ensure that the twin spacecraft, Voyager 1 and Voyager 2, can continue exploring space beyond the limits of the solar system. To save energy for ...