Astronomers Detect Black Hole 36 Billion Times the Sun’s Mass, Among Largest Ever Found

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1 day ago

August 13, 2025

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Astronomers have detected a dormant black hole with a mass equal to 36 billion Suns in the Cosmic Horseshoe system, 5 billion light-years away. Identified via gravitational lensing and stellar motion, it ranks among the largest known black holes. The discovery sheds light on the link between galaxy size and central black hole growth.

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ESA’s Mars Express Discovers Deep Valleys and Frozen Features Hinting at Mars’ Icy Past

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2 hours ago

August 14, 2025

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In July 2025, the European Space Agency’s Mars Express orbiter captured a high-resolution image of Acheron Fossae, a region marked by deep chasms and ridges on Mars’s surface. These features, created by ancient crustal stretching, split the terrain into raised horsts and sunken grabens. Valley floors reveal smooth surfaces carved by slow-moving, ice-rich rock glac…

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New Physics-Based Model Sheds Light on How Deep Neural Networks Learn Features

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2 hours ago

August 14, 2025

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A Physical Review Letters study likens deep neural network feature learning to spring-block mechanics, linking data simplification to spring extension and nonlinearity to friction. The model reveals how noise can balance separation across layers and help predict performance, offering a powerful tool to optimise training, improve generalisation, and enhance efficiency …

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Cosmic Visitor: 4.56-Billion-Year-Old Meteorite Strikes into Georgia Home

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3 hours ago

August 14, 2025

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On June 26, 2025, a dazzling daytime fireball streaked over Georgia, captured by satellites and witnessed across multiple states. A surviving fragment smashed through the roof of a McDonough home, denting the wooden floor 14 feet below. Scientists at the University of Georgia analyzed about 23 grams of this ancient rock, determining it to be a 4.56-billion-year-old L-…