Researchers have uncovered a previously hidden “internal brake” on immune cells that limits their ability to fight cancer, independent of tumor…

Snow flies beat the cold by acting like a mashup of Arctic fish and polar bears. Snow flies may seem like…

AI-generated X-rays are now so realistic they could fool doctors—and potentially disrupt the entire healthcare system. A new study published today…

Astronomers have spotted two giant planets forming around a young star—offering a stunning glimpse of how our Solar System may have…

One of Earth’s greatest migrations is vanishing underwater—and almost no one is paying attention. The world’s freshwater fish migrations—some of the…

Ancient rocks reveal that Earth’s magnetic field during the Ediacaran may not have been chaotic after all. Earth’s Ediacaran Period, which…

Along Alaska’s northern coast, a subtle but significant shift is unfolding as landfast sea ice forms later, disappears sooner, and covers…

New radar data reveals Alaska’s glaciers are melting longer and reacting faster to heat. Alaska’s glaciers are not just shrinking. They…