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Astronomers have uncovered the long-hidden cause behind Betelgeuse's strange behavior: a small companion star carving a visible wake through the giant's vast atmosphere. Using nearly eight years of observations from NASA's Hubble Space Telescope and ...

Hubble has revealed a strange cosmic object called Cloud-9, a dark matter-dominated cloud with no stars at all. Scientists believe it is a "failed galaxy," a leftover building block from the early Universe that never lit up. Its discovery confirms .. ...

Sugar-loving mouth bacteria create acids that damage teeth, but arginine can help fight back. In a clinical trial, arginine-treated dental plaque stayed less acidic, became structurally less harmful, and supported more beneficial bacteria. These ...

Scientists at USC are launching a new trial to test a tiny stem cell implant that could restore vision in people with advanced dry macular degeneration. The hair-thin patch replaces damaged retinal cells responsible for sharp, central vision. Earlier ...

A large genetic study shows that many people carry DNA sequences that slowly expand as they get older. Common genetic variants can dramatically alter how fast this expansion happens, sometimes multiplying the pace by four. Researchers also identified ...

Foods that rely heavily on preservatives may be doing more than extending shelf life. In a large study spanning more than a decade, people with the highest intake of preservative additives were far more likely to develop type 2 diabetes. The ...

Researchers have developed a new class of antibodies that amplify the immune system's ability to fight cancer. By clustering immune receptors that normally receive weak signals from tumors, these four-pronged antibodies push T cells into full attack ...

Scientists in South Korea have discovered a way to make all-solid-state batteries safer and more powerful using inexpensive materials. Instead of adding costly metals, they redesigned the battery's internal structure to help lithium ions move faster. ...

Stanford researchers have developed an AI that can predict future disease risk using data from just one night of sleep. The system analyzes detailed physiological signals, looking for hidden patterns across the brain, heart, and breathing. It ...

A new study finds that TikTok videos about gout frequently spread confusing or inaccurate advice. Most clips focus on diet changes and supplements, while barely mentioning the long-term treatments doctors say are essential for controlling the disease ...