A newly analyzed radio image reveals twin lobes stretching roughly 66,000 light-years on each side of a quasar called ...

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 ...

Astronomers have discovered the largest and most ancient radio jet ever detected, emitted by a quasar from when the universe ...

NEW YORK — Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed ...

The biggest stories of the day delivered to your inbox.