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Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of Sun-like stars billions of years ago. The journey may have carried the solar system away from the galaxy's crowded center into a ...

Gold and other heavy elements are born in some of the universe's most violent events--but scientists still struggle to understand the nuclear steps that create them. Now, nuclear physicists have uncovered three key discoveries about how unstable ...

As AI systems began acing traditional tests, researchers realized those benchmarks were no longer tough enough. In response, nearly 1,000 experts created Humanity's Last Exam, a massive 2,500-question challenge covering highly specialized topics ...

Scientists have found a promising new way to manufacture one of industry's toughest materials--tungsten carbide-cobalt--using advanced 3D printing. Normally, producing this ultra-hard material requires high-pressure processes that waste large amounts ...

Scientists analyzing a gravitational-wave signal have discovered that a neutron star and black hole spiraled together on an oval-shaped orbit just before merging. This unusual motion, detected in the event GW200105, contradicts the long-held ...

Scientists have grown chickpeas in simulated moon soil, offering a promising step toward farming on the lunar surface. Researchers mixed moon-like regolith with worm-produced compost and helpful fungi that protect plants from toxic metals. The ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they realized the strange dimming was caused by vast ...

Astronomers have discovered a strange new signal coming from an exploding star -- a "chirp" that speeds up over time, similar to the signals seen when black holes collide. The unusual pattern appeared in a superluminous supernova about a billion ...

More than a century before quantum mechanics was born, Irish mathematician William Rowan Hamilton stumbled onto an idea that would quietly foreshadow one of the deepest truths in physics. While studying the paths of light rays and moving objects, ...

Scientists at Oak Ridge National Laboratory have created a new aluminum alloy called RidgeAlloy that can turn contaminated car-body scrap into strong structural vehicle parts. Normally, impurities introduced during recycling make this scrap ...