Its predawn touchdown at Vandenberg Space Force Base in California was not announced until hours after the fact. Photos showed the white-and-black space plane parked on the runway in darkness.

The Space Race of the 1960s ... rules at NASA—rules that limited Black employees to certain areas and restricted them from interacting freely with their white colleagues. Even within the NASA ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time literally no longer make sense." A team of scientists has developed a recipe ...

SPHEREx — which stands for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer — is a conical white ... Space.com's Astronomy Editor. She covers black ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. And anything that ...