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Fur seals may look like they're simply resting after exhausting hunting trips at sea, but their bodies are secretly working overtime. Scientists discovered that hours after returning to land, the seals' heart rates suddenly surge -- sometimes ...

Scientists in China discovered that ancient humans were making surprisingly advanced stone tools during a harsh ice age 146,000 years ago. The tools, created by Homo juluensis, show careful planning and complex thinking rather than simple stone ...

Scientists studying axolotls, zebrafish, and mice have uncovered a shared set of genes that may one day help humans regrow lost limbs. By identifying powerful "SP genes" involved in regeneration, researchers discovered that disabling these genes ...

Scientists have uncovered a surprising secret hidden inside fat cells that could reshape how we think about obesity and metabolic disease. A protein called HSL, long believed to simply release stored fat when the body needs energy, turns out to have ...

A common constipation drug may have unexpectedly unlocked a new way to slow chronic kidney disease -- a condition that affects millions and often leads to dialysis. In a clinical trial involving 150 patients, researchers found that lubiprostone, a .. ...

Scientists have uncovered a surprising way to influence the bacteria living in our mouths -- not by killing them, but by interrupting how they "talk" to each other. Researchers found that dental plaque bacteria use chemical signals to coordinate ...

Scientists may have uncovered a surprising secret behind why life exists at all. A new study suggests that the Universe's fundamental constants -- the deep physical rules that govern everything from atoms to stars -- appear to sit within an ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds -- and it may have formed in a place far colder and stranger than anything around our Sun. The interstellar visitor, called 3I/ATLAS, contains an . ...

The Universe's biggest black holes may not be born giants after all. Scientists analyzing gravitational-wave signals from dozens of black hole collisions found evidence that the heaviest black holes are likely "cosmic recyclers" -- formed through ...

Beneath the beauty of coral reefs lies a hidden universe of microbes unlike anything scientists expected. Each coral species supports its own specialized microbial partners, many of which have never been studied before. These microbes produce a ...