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 ...

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

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

In the early universe, primordial black holes could acquire a "dark charge," giving them an unnaturally long lifetime, new research suggests. This makes them an interesting candidate for dark matter.