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Astronomy Mar 27, 2025

New discovery promises to reveal hidden black holes across the universe

Scientists have detected radio signals from hot gas surrounding a supermassive black hole that existed 12.9 billion years ago, according to new research published in Nature Astronomy from an international team of scientists ...

Astronomy Mar 26, 2025

New insights into little red dots—an early phase of black hole growth

The James Webb Space Telescope has given us a view of the earliest moments of galaxy formation in the universe. It's also revealed a few surprises. One of these is the appearance of small, highly redshifted objects nicknamed ...

Astronomy Mar 17, 2025

Watching the power of supermassive black holes with X-ray interferometers

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like Hubble and James Webb, don't even touch that bandwidth. And Chandra, the most capable space-based ...

Astronomy Mar 17, 2025

How radiation from black holes could have a nurturing effect on life

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas periodically falls into the orbit of these bottomless pits, switching the black hole into active galactic ...

Astronomy Mar 12, 2025

Black holes spew out powerful jets that span millions of light-years. We're trying to understand their whole life cycle

There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called Sagittarius A*). Supermassive black holes are the densest objects in the universe, with masses reaching ...

General Physics Mar 12, 2025

Black holes: Not endings, but beginnings? Theoretical study delves into 'white holes'

Our understanding of black holes, time and the mysterious dark energy that dominates the universe could be revolutionized, as new University of Sheffield research helps unravel the mysteries of the cosmos.

Astronomy Mar 11, 2025

Black hole X-ray binary SLX 1746–331 shows unusual outburst pattern

Chinese astronomers investigated the spectral and temporal properties of a black hole X-ray binary system known as SLX 1746–331, during its recent outburst. Results of the study, published in The Astrophysical Journal Letters, ...

Astronomy Mar 10, 2025

Rotating black holes are packed with energy—here's how to unlock it

Rotating black holes are the most powerful phenomenon in the known universe. Their powerful gravity radically alters the curvature of spacetime around them, leading to relativistic effects like time dilation, light distortion, ...

Other Mar 8, 2025

Saturday Citations: A supermassive black hole in the LMC; ozone layer recovery; abstract memory in humans

This week, based on a genetic study, researchers issued a recommendation that bison in Yellowstone National Park should be treated as one large, interbreeding herd. Physicists proposed a new framework that derives gravity ...

Astronomy Mar 6, 2025

Runaway stars reveal hidden black hole in Milky Way's nearest neighbor

Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This giant black hole is located in the Large Magellanic Cloud, one of the nearest galactic neighbors to ...

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