How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

Using NASA 's Hubble Space Telescope and other observatories, astronomers found the cosmic object in an unexpected place.

Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive ...

A star in a faraway galaxy is sending itself into a spiral of doom, repeatedly plunging through a disk of hot gas surrounding ...

Among the events it can identify are tidal disruption events, where a star gets spaghettified by the enormous gravity of a ...

Despite weighing about a million times the mass of our sun, the black hole wasn't found at the center of its host galaxy, ...

This image shows a narrow galaxy curving around its companion, forming a rare cosmic arc. This image, captured by Hubble, reveals GAL-CLUS-022058s, nicknamed the "Molten Ring". This image shows the ...

Like 600,000 suns combined, it has exploded and is approaching Earth. A supermassive black hole is on a collision course with ...