Some predators work alone, but others rely on deadly teamwork to dominate the wild. From wolves to orcas, these fearsome ...

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, ...

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

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

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

Rapid X-ray oscillations detected near the innermost orbit of a supermassive black hole could indicate the presence of a nearby orbiter such as a white dwarf ...

Using the Gemini North telescope, astronomers have detected the largest black hole jet ever seen in the early universe. It's twice as long as the Milky Way.

Supermassive black holes are often regarded as sources of wanton cosmic destruction, but there may be more to their powerful ...

Black holes are notorious for gobbling up, well, everything. They're icons of destruction, ruthless voids, ambivalent abysses ...