NASA will show live footage of the SpaceX Crew-9 spaceship returning to Earth from the International Space Station. Coverage starts Monday, March 17 at 10:45 p.m. EDT, (around 8:30 am on March 18 in ...

T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to ...

They had been expected to return just a week or so later. Problems cropped up on the way to the space station, however, and NASA eventually sent the Starliner back empty. The test pilots were ...

After spending nine months on the International Space Station, NASA astronaut Sunita Williams was tearfully reunited with her two Labradors, calling it the "best homecoming ever." She expressed ...

For context, Williams- along with astronaut Butch Wilmore, was stranded at the International Space Station (ISS ... as part of a rescue mission. “Best homecoming ever!” Williams’ post read. The post ...