Ancient quasars seen by the James Webb Space Telescope technically shouldn’t exist, but one rare type of dark matter could ...

A decade ago, physicists using twin detectors in Washington State and Louisiana detected gravitational waves—subtle ripples ...

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

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

Related: The universe is rippling with a faint 'gravitational wave background' created by colliding black holes, huge ...

Astronomers have discovered a supermassive black hole-powered quasar that may have ... in the form of the cosmic microwave background (CMB). However, as the universe continued to cool, more ...