Tag Archives: holes

All galaxies have a supermassive black hole at their center. A new finding doesn’t contradict that observation, but it does suggest that we’ve been overestimating just how heavy some of these black holes actually are. Astrophysicists using the Very Large Telescope (VLT) in Chile found evidence that the black hole of an infant galaxy was ten times smaller than what …

Study of galaxy more than 12 billion light years away shows black holes may be smaller than believed, challenging models of cosmic growth. Published On 25 Sep 202525 Sep 2025 Click here to share on social media share2 Share “Supermassive” black holes may not be as enormous as once assumed, scientists have reported. Astronomers told the media on Thursday that, …

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WASHINGTON — Senate Republican leaders have made consequential moves this year to weaken or end-run minority power when it stands in the way of their ambitions during the second Donald Trump administration and GOP control of Congress. In three separate instances, they have knocked down long-standing precedents and established new rules to advance their goals in the face of Democratic …

Astronomers have used an X-ray spacecraft called XRISM to observe powerful winds blowing from a neutron star — the findings could be a “game changer” for physics. The team discovered unexpected differences between powerful and energetic winds blowing from swirling disks of gas and dust, called accretion disks, around extreme “dead stars,” or neutron stars, and winds that flow from …

Parkinson’s disease is associated with toxic clumps of the alpha-synuclein protein in the brain, which disrupt healthy cell communication. Now, a new study shows another way this protein may damage brain cells. Researchers from Aarhus University in Denmark examined alpha-synuclein oligomers, smaller molecules that also accompany Parkinson’s. Using a lab-made cell model, they found these oligomers can open up tiny …

Using a powerful combination of the Subaru Telescope and the James Webb Space Telescope (JWST), astronomers have discovered seven supermassive black hole-powered quasars surrounded by veils of dust that existed when the universe was less than a billion years old. Supermassive black holes consuming vast amounts of matter and shining as bright quasars while being hidden in thick clouds of …

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is celebrating 10 years of cutting-edge gravitational wave science by confirming predictions made by physics luminaries Albert Einstein, Stephen Hawking and Roy Kerr — and potentially revealing a path toward a theory of quantum gravity. LIGO achieved this latest milestone by detecting gravitational waves, or tiny ripples in spacetime. The existence of gravitational waves …

Sign up for Big Think Books A dedicated space for exploring the books and ideas that shape our world. Adapted from Facing Infinity: Black Holes and Our Place on Earth by Jonas Enander. Published by The Experiment. Copyright © 2025. All rights reserved. As geologists were realizing that earthly timescales were vast, astronomers began to discover that the same applied …

Small black holes making a meal out of companion stars are surprisingly messy eaters, astronomers using a Japanese space telescope have discovered. Scientists have known for some time that when supermassive black holes — those with masses millions or billions of times that of the sun — devour matter, such as surrounding gas and dust or even an unfortunate passing …