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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 ...

Many cancer patients turn to biotin supplements hoping to restore hair lost during treatment, but experts warn the popular vitamin may do more harm than good. While biotin is often marketed for stronger hair and nails, there's little evidence it ...

A little-known tree from Brazil's Atlantic Forest may hold a surprising weapon against COVID-19. Researchers discovered that compounds called galloylquinic acids, extracted from its leaves, can attack SARS-CoV-2 on multiple fronts--blocking the virus ...

Eating eggs might do more than just start your day--it could help protect your brain. Researchers found that people 65 and older who eat eggs regularly have a significantly lower risk of developing Alzheimer's disease, with daily or near-daily ...

Astronomers using the James Webb Space Telescope have spotted something that shouldn't exist--at least not so early in the universe. A massive galaxy, formed less than 2 billion years after the Big Bang, appears to have no rotation at all, a trait .. ...

A bizarre planetary pairing 190 light-years away is challenging everything astronomers thought they knew about how worlds form. A "lonely" hot Jupiter -- typically found without nearby companions -- is sharing its system with a smaller mini-Neptune . ...

Researchers have created a next-generation obesity drug that works like a "Trojan horse," using GLP-1/GIP signals to slip a powerful metabolic enhancer directly into target cells. In mice, it outperformed existing treatments--curbing appetite, ...

Some people taking Ozempic-like diabetes drugs may be getting dramatically better results for a surprising reason: why they overeat in the first place. A year-long study in Japan found that people who tend to eat because tempting food looks or smells ...