Astronauts on the International Space Station age slightly slower than the rest of us on Earth due to time-dilation effects.
The four-person Polaris Dawn mission launched aboard a SpaceX Crew Dragon capsule early Tuesday morning (Sept. 10). Later ...
After launching early on Tuesday, the billionaire Jared Isaacman and his crew traveled to altitudes not visited by any ...
Space radiation exposure risk for astronauts compared to people on Earth over three months. ABC News Photo Illustration "It's an order of normal magnitude," Dr. Stanton Gerson, dean of the Case ...
As astronauts Sunita Williams and Barry “Butch” Wilmore wait for the troubled Boeing Starliner to return to the International ...
The final goodbyes before the ISS hatch closes and the Russian and U.S. space crews return to earth:::: In SpaceNASA ...