For decades, astronomers have known that supermassive black holes lurk at the hearts of essentially all large galaxies, ...

New paper led by UC Santa Cruz undergraduate suggests that long-dormant galaxies deemed to be dead may actually be stunted by ...

Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have uncovered the largest and most extended stream of ...

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have ...

Astronomers have captured the moment a supermassive black hole literally tore apart a super sun (one 30 times larger than our ...

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...

We discovered what we think is a black hole merging with a massive companion star, shredding it into a disk that feeds the black hole. It’s a rare and awe-inspiring phenomenon,” said Daniel Perley, ...

The event released a tremendous amount of energy, around 400 billion times that of the Sun, exceeding even the most powerful ...

Black holes may appear to be shaped like a doughnut, but the truth is more complicated than that, explain our readers ...

This artist’s concept depicts a smaller white dwarf star pulling material from a larger star, right, into an accretion disk.

A spinning black hole just revealed its inner chaos, XRISM’s image goes deeper than any X-ray telescope before it.

Astronomers have directly observed a spinning black hole twisting spacetime, confirming a century-old prediction of ...