Gravitational wave observations have revolutionized our understanding of black holes, revealing crucial details about their masses and spins. These measurements, collected from binary black hole ...

Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations ...

This discovery explains how massive galaxy clusters evolved into the dormant, giant elliptical galaxies seen today, shedding light on the co-evolution of black holes and galaxies. Galaxy clusters ...

Because of this, the scientists behind the study were able to get a look at 44 stars in the "Dragon Arc," a part of the Abell 370 galaxy cluster. The arc is about 6.5 billion light-years away from ...

Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...

A "missing link" black hole in Omega Centauri ... in the center of this dense cluster to high speeds. "We have long known about supermassive black holes at galaxy centers and smaller stellar ...

One possible answer is inside-out growth: As star formation within a galaxy expands outward from the nucleus, less gas is being deposited by supernovas near the accreting black hole, and it ...

which astronomers spotted inside the IRS 13 star cluster, just a tenth of a light-year from Sagittarius A*, the supermassive black hole at the heart of the Milky Way galaxy. If scientists can ...

"The Spiderweb protocluster is an ideal laboratory for investigating the relationship between black holes and star formation ... is the first ancient galaxy cluster ever found and has been studied ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes. The star cluster in question is called Palomar 5. It's a ...

M87's Black Hole: The black hole in the M87 galaxy is about 6.5 billion times the mass of our Sun. In 2022, NASA released the first-ever image of the supermassive black hole at the center of our ...