Launched on Sept. 6, 2023, XRISM studies X-ray signals emitted throughout the universe. On Feb. 25, 2024, it aimed at a ...

Recorded to be growing at one of the fastest rates known, this massive black hole was growing at 2.4 times the Eddington limit, surpassing it.

Astronomy has a way of surprising you. When you believe the universe has yielded its biggest secrets, distant giants and ...

A black hole is growing at one of the fastest rates ever recorded, according to a team of astronomers. This discovery from ...

Astronomers uncovered seven dust-shrouded quasars from Cosmic Dawn, doubling the known tally of early supermassive black holes.

They discovered that the Chandra spectrum closely matched what they expected from models of black holes expanding faster than ...

By studying the X-ray spectrum collected by Chandra, scientists were able to estimate the black hole’s growth rate, which ...

Thanks to a theory put forward by Albert Einstein over 100 years ago and a happy coincidence, astronomers have discovered radiation being pumped out from the core of a quasar — within which a ...

There shouldn't have been enough time for them to grow that massive!' ...

Astronomers have taken a rare look into the distant past of the universe and uncovered evidence that galaxies and their ...