NASA's PUNCH sun-studying mission has seen first light — and the team says all four instruments are indeed working as ...

Explore SpaceX’s powerful Starship and its mission to reach Mars and beyond. ExtremeTech breaks down its design, goals, and ...

Northrop Grumman’s MEV-1 completes its five-year mission with IS-901, marking a milestone in commercial satellite servicing.

The Biomass mission will use a long-forbidden part of the radio spectrum to see how much carbon forests capture.

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after 220 days in orbit.

NASA's Lucy will venture as close as 596 miles to this asteroid, an estimated 2 ½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth this evening (April 19), and you can watch their homecoming live.