The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

The other available Apple Watch bracelet is the “Thin as a Dime” bracelet, another military style that originated in the ...

When the ride opened on Jan. 15, 1975, an Apollo moonwalker was its first passenger, NASA's insignia was on display and Space ...

NASA is working on a nuclear electric propulsion system that would involve robotically assembling a space radiator the size ...

An illustration of a private U.S. lander on the surface of the moon built by Texas-based company Firefly Aerospace. The ...