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Astronomers may finally have a clue to what happens to the mysterious "little red dots" that crowded the early universe. By studying a spiral galaxy nicknamed the "Saguaro," researchers found a compact, bright red center that closely resembles these ...

Scientists are searching some of Earth's oldest rocks for tiny fossils that could reveal how simple microbial life made the extraordinary leap toward plants, animals, and other complex organisms. Solving that ancient mystery may also help determine . ...

Researchers have uncovered a surprising way triple-negative breast cancer may turn the body against itself. Tumors appear to recruit macrophages--immune cells normally involved in healing and fighting infection--and use them to release a protein ...

An eight-year Finnish study found that children who spent more time on screens tended to show better cognitive processing as teenagers, challenging common assumptions about screen use. Researchers say the key may be balancing physical activity with . ...

Nature invented biodegradable plastic long before humans did--and animals may have been feeding on it for hundreds of millions of years. Researchers discovered that dozens of animal species possess enzymes capable of breaking down microbial ...

An experimental Alzheimer's compound prevented damaging protein clumps from forming in the brains of mice, helping nerve cells survive longer and reducing amyloid buildup. The treatment also appeared to improve heart health and slow some signs of ...

Exercise and healthy blood sugar levels in midlife may help slow cognitive decline decades later. Physical activity appeared especially beneficial for Mexican American adults, suggesting that some brain-protective factors may differ across ...

Physicists may have uncovered a hidden feature inside protons that helps preserve one of matter's most fundamental properties. RHIC collision data suggest baryon number is carried not simply by three quarks, but by a Y-shaped junction of the gluons . ...

As we age, the body appears to sacrifice walking efficiency in exchange for stability. Older adults stiffen the ankle more with each step, which may help prevent falls but also forces the muscles to work harder while producing less forward motion. .. ...

Scientists have discovered a new extinct amphibian species hiding in the fossil collections of Los Angeles' La Brea Tar Pits. Named Spea labreae, the Ice Age spadefoot toad is an exceptionally rare find--only one other extinct Pleistocene amphibian . ...