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A high-fat diet does more than overload the liver with fat. New research from MIT shows that prolonged exposure to fatty foods can push liver cells into a survival mode that quietly raises the risk of cancer. Faced with ongoing metabolic stress, ...

A major update to how obesity is defined could push U.S. obesity rates to nearly 70%, according to a large new study. The change comes from adding waist and body fat measurements to BMI, capturing people who were previously considered healthy. Many . ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from both its New Year's Eve discovery and its bubbly appearance in space. Images reveal superheated gas and galaxies spread across ...

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams colliding almost immediately, while another shockingly delayed its eruption for more than 50 days before unleashing a ...

As we age, our immune system quietly loses its edge, and scientists have uncovered a surprising reason why. A protein called platelet factor 4 naturally declines over time, allowing blood stem cells to multiply too freely and drift toward unhealthy, ...

A strange little snake fossil found on England's south coast has finally revealed its secrets--more than 40 years after it was discovered. The newly named Paradoxophidion richardoweni lived around 37 million years ago, during a time when Britain was ...

New research reveals a brighter side of ADHD, showing that adults who recognize and use their strengths feel happier, healthier, and less stressed. People with ADHD were more likely to identify traits like creativity, humor, and hyperfocus as ...

Microplastics in rivers, lakes, and oceans aren't just drifting debris--they're constantly leaking invisible clouds of chemicals into the water. New research shows that sunlight drives this process, causing different plastics to release distinct and ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 massive drainage basins where water likely flowed long enough to support life. ...

New research suggests that even light alcohol use may carry serious risks. A large study in India found that drinking just one standard drink a day is linked to a roughly 50% higher risk of mouth cancer, with the greatest danger tied to locally ...