Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as ...

Jackie White, a native of Centralia, Illinois, in 1968 became the first Black person to officiate an NBA game.

A galaxy in the distance, was tightly encircled by a halo of light—also known as an Einstein Ring, a result of gravitational ...

A 'false dusk' will be visible during twilight in February, but only from locations that are free of light pollution. Here's ...