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Giant, fearsome octopuses may have once ruled the ancient seas, according to new research that flips the script on their evolutionary past. By uncovering exquisitely preserved fossil jaws hidden inside rock, scientists revealed that early octopuses . ...

Ancient Earth once buzzed with enormous dragonfly-like insects, and scientists long thought high oxygen levels made their size possible. A new study overturns that idea, revealing insect flight muscles weren't constrained by oxygen after all. Their . ...

The golden oyster mushroom may be a culinary hit, but it's becoming an ecological problem. Scientists warn it's spreading quickly through U.S. forests, where it outcompetes native fungi and reduces biodiversity. In just a decade, it has appeared in . ...

Ancient Antarctic ice is revealing a surprising new chapter in Earth's climate story, stretching back 3 million years. By analyzing tiny pockets of trapped air and rare gases, scientists have discovered that while the planet cooled significantly- ...

Nearly 100 million years ago, snakes weren't the sleek, limbless creatures we know today--they still had hind legs and even a cheekbone that has almost vanished in modern species. A remarkably preserved fossil of Najash rionegrina from Argentina has ...

A fresh mystery is unfolding inside Egypt's pyramids. Researchers have discovered two hidden air-filled voids lurking behind the smooth eastern face of the Menkaure pyramid--an area long suspected to conceal something unusual. Using advanced, non ...

Physicists have taken a major step toward using AI not just to analyze data, but to uncover entirely new laws of nature. By combining a specially designed neural network with precise 3D tracking of particles in a dusty plasma--a strange "fourth state ...

Beneath the dry farmland of New South Wales lies a hidden window into a lost rainforest teeming with life from 11-16 million years ago. At McGraths Flat, scientists have uncovered fossils preserved in astonishing detail--not in typical rock like ...

A new minimally invasive procedure may help people keep weight off after stopping popular drugs like Ozempic and semaglutide--something most patients struggle with. In a clinical trial, those who underwent a technique called duodenal mucosal ...

Scientists have mapped how Earth's deepest mantle is being deformed--and the results point to long-lost tectonic plates buried thousands of kilometers underground. Using a massive global dataset of seismic waves, they found that most deformation ...