This week the China Manned Space Agency (CMSA) announced that the homecoming for three of its astronauts was delayed after a piece of space junk struck the Shenzhou 20 spacecraft that was intended to ferry them back to Earth from China’s Tiangong space station.

Calls are growing for billionaire Elon Musk to come to the rescue of three stranded Chinese astronauts after their return capsule was struck by space debris.

Four astronauts returned to Earth on Saturday after hustling to the International Space Station five months ago to relieve the stuck test pilots of Boeing’s Starliner. Their SpaceX capsule parachuted into the Pacific off the Southern California coast a ...

NASA’s Mars rover collected rock samples that could reveal if the planet once hosted life. Here’s what scientists plan to do with them.