Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

Black History figures everyone should know about For too many years, history books have focused on the achievement of White ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...