Uranus and Neptune May Be More Rock Than Ice, New Research Suggests

Published

12 hours ago

October 15, 2025

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A new pre-print study proposes that Uranus and Neptune might not be “ice giants” after all. Using assumption-free models, scientists found their interiors could range from mostly icy to mostly rocky, suggesting we know far less about these distant worlds and that new missions are essential to solve the mystery.

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Earth May Have Crossed Its First Climate Tipping Point as Coral Reefs Collapse

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11 hours ago

October 15, 2025

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Global coral reefs have reached a tipping point due to surging temperatures, warning of irreversible climate impacts on ecosystems and humans alike.

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Physicists Recreate Einstein’s Near-Light-Speed Illusion Predicted 70 Years Ago

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11 hours ago

October 15, 2025

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Physicists have recreated the long-predicted Terrell-Penrose effect using ultra-fast lasers, showing how objects at near-light speed appear rotated rather than flattened. The experiment offers a visual insight into Einstein’s special relativity.

Science

Rising Satellite Traffic in Low Earth Orbit Sparks Collision Risk Concerns

Published

18 hours ago

October 14, 2025

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A new study in Acta Astronautica warns that Low Earth Orbit is becoming dangerously congested. Since 2019, the number of satellites performing more than ten collision-avoidance maneuvers per month has risen sevenfold. With nearly 25,000 tracked objects and more launches planned, scientists fear a chain-reaction risk and call for stronger global coordination in orbital…