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

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

New details have been discovered about M87*, the first black hole ever photographed, revealing its plasma, its brightness and ...

By revealing a massive radio jet in the early universe, J1601+3102 offers a rare snapshot of early quasar activity.

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...