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A colossal ocean current encircling Antarctica--stronger than all the world's rivers combined--played a far more complex role in shaping Earth's climate than scientists once thought. New research shows it didn't form just because ocean gateways ...

A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once believed. Dating back over 540 million years, the .. ...

Earth may have won a cosmic chemistry lottery. Researchers found that during the planet's earliest formation, oxygen had to be in an extremely narrow "Goldilocks zone" for two life-essential elements, phosphorus and nitrogen, to stay where life could ...

A strange "forbidden" planet spotted by the James Webb Space Telescope is turning planetary science on its head. TOI-5205 b, a Jupiter-sized world orbiting a small, cool star, has an atmosphere surprisingly poor in heavy elements--even less enriched ...

Is consciousness something the brain produces, or is it woven into the fabric of reality itself? Renowned neuroscientist Christof Koch is challenging long-held scientific assumptions by confronting the "hard problem" of consciousness -- why and how . ...

Your brain's "stop eating" signal may come from an unexpected source. Researchers found that astrocytes--once thought to just support neurons--actually play a key role in controlling appetite. After a meal, glucose triggers tanycytes, which send ...

A newly discovered group of tarantulas is so bizarre that scientists had to invent a whole new genus--Satyrex--to describe them. With unusually long mating appendages and fierce, hissing defenses, these spiders are as strange as they are intimidating ...

Scientists have identified a little-known receptor, GPR133, as a powerful regulator of bone strength. By activating it with a newly discovered compound called AP503, they were able to boost bone density in mice and counteract osteoporosis-like damage ...

Scientists have taken a major step toward probing one of physics' biggest mysteries--how gravity and quantum mechanics fit together--by creating the first unified way to detect tiny "ripples" in spacetime itself. These subtle fluctuations, long ...

A massive new analysis of over 1,700 languages shows that some long-debated "universal" grammar rules are actually real. By using cutting-edge evolutionary methods, researchers found that languages tend to evolve in predictable ways rather than ...