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Age isn't just a number for one of the ocean's top apex predators. It's a mystery University of Georgia researchers are solving. A new UGA study has determined how to estimate the age of sharks by analyzing changes to individual animals' DNA.
A mysterious hum of gravitational waves that fills the cosmos may be the echo of long-dead "dark stars" that served as the seeds of the first supermassive black holes.
SpaceX launched yet another Starlink mission today (Aug. 21), sending 29 more of the broadband satellites to orbit from Florida's Space Coast.
Japan's farmers are opting for more nocturnal schedules as daytime summer heat makes working conditions dangerous. North of Tokyo, Motoaki Iijima harvests flowers in his illuminated greenhouse long after sunset. The farmer was pushed to make a dramatic change after a worker suffered heatstroke...
Could changing the school holidays give pupils and teachers a break in largely unconditioned buildings?