Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

Black holes in a pair of merging galaxies, known as UGC4211, are devouring gas and dust that is "being displaced by the merger," according to ALMA scientists. The Atacama Large ...

A cataclysmic variable star was found as part of a project using two telescopes from opposite sides of the world.

Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...