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Fossils discovered in Japan more than two decades ago have finally been identified as a new genus and species of giant salamander. Limnospondylus ajimuensis lived around 3.5 million years ago in a warmer, wetter Kyushu and may have reached 1.1 meters ...

Researchers in the Gulf of California have documented a dramatic orca behavior never described before. In two separate encounters, one orca gripped a dead sunfish by the fin while another charged into it at high speed, blasting the carcass into ...

A global shift toward healthier diets could sharply reduce livestock farming, free up agricultural land, and cut emissions from land-use change by 85% by 2050. At the same time, fruit, vegetable, nut, and legume production could soar, creating a ...

A 25-year study found that frequent consumption of soda, sports drinks, and fruit juice beginning in childhood was linked to a higher risk of high blood pressure in adulthood. Swapping one daily drink for whole fruit, milk, or water could ...

Scientists may be able to reliably forecast Antarctic ice loss through the middle of this century, offering governments a vital head start on sea level rise. After that, unstable ice retreat could accelerate dramatically, making the future much ...

NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III in 2027, Orion astronauts will rendezvous and dock separately with prototype lunar landers from Blue Origin and SpaceX, ...

A giant planet had been hiding inside one of astronomy's most closely studied planetary systems, concealed by a bright disk of cosmic dust. Webb revealed Beta Pictoris d through atmospheric traces of carbon monoxide, water vapor, and methane, ...

Researchers have developed a fluoride-free gel that could help rebuild damaged tooth enamel, something the body cannot naturally replace once it is lost. Inspired by the proteins that guide enamel formation in infancy, the gel fills microscopic ...

A plant-derived compound reduced swelling, inflammation, and joint damage in rats with rheumatoid arthritis. It also helped rebalance immune activity and improve the way certain fats were processed in the body. Researchers say the findings could lead ...

Researchers found that specific brain circuits help decide which jobs bees perform as they age. When those circuits were switched off, older worker bees began caring for the queen again instead of carrying out their normal later-life duties. The ...