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Scientists have achieved something that once sounded almost impossible: using ordinary sunlight to create quantum-linked photon pairs, a phenomenon normally dependent on precise laboratory lasers. By building a sun-tracking system that funnels ...

For more than 200 years, scientists have struggled to pin down the exact strength of gravity -- and one physicist spent a decade chasing the answer while keeping his own results hidden from himself. Stephan Schlamminger and his team at NIST ...

Coffee may give your blood pressure a temporary jolt, but that doesn't mean it's secretly wrecking your heart. Researchers say caffeine can briefly raise blood pressure by stimulating your heart and tightening blood vessels, especially in people who ...

Scientists have uncovered evidence that the vanished Tethys Ocean may have sculpted Central Asia's mountainous landscape during the dinosaur era. Using decades of geological data, researchers found that distant tectonic activity linked to the ancient ...

Studies suggest watermelon could be a hidden powerhouse for better health. Researchers found that people who eat watermelon tend to have higher-quality diets packed with more vitamins, fiber, and antioxidants -- while consuming less added sugar and . ...

Scientists have discovered that the human body undergoes a dramatic internal transformation during extended fasting, with major changes appearing only after about three days without food. In a seven-day water-only fasting study, researchers tracked . ...

A new nanotechnology treatment reversed Alzheimer's symptoms in mice by restoring the brain's natural cleanup system. The specially engineered nanoparticles helped clear toxic amyloid proteins from the brain and repair the blood-brain barrier, which ...

A spectacular dinosaur discovery in Spain is giving scientists a rare new look inside the world of stegosaurs. Paleontologists uncovered the best-preserved stegosaur skull ever found in Europe, belonging to the iconic plated dinosaur Dacentrurus ...

A long-lost manuscript discovered in Rome has revealed one of the oldest surviving versions of the very first known poem written in English. Hidden for decades and once believed lost, the 1,200-year-old manuscript contains Caedmon's Hymn -- a nine .. ...

For years, "yo-yo dieting" has been blamed for wrecking metabolism and causing lasting damage, but a major new review says the fear may be wildly overblown. After analyzing decades of studies in humans and animals, researchers found little convincing ...