Surgeons transplanted a gene-edited pig liver into a human for the first time

Mice given fecal transplants from elite cyclists and soccer players had increased energy stores

Avoidable deaths rose in the U.S. by 33 per 100,000 people from 2009 to 2019, as they dropped elsewhere

Babies can form memories using encoding in the hippocampus that's similar to how adults remember

Scientists have identified multiple genes associated with obesity in Labradors

Treating male partners along with women may help stop bacterial vaginosis

AI is helping scientists decode previously inscrutable proteins

Monopedal robot can leap and land like a squirrel — even on tiny targets

Budgerigars parrots and humans share a brain mechanism for speech

NASA's Juno spacecraft reveals dozens of lava lakes on Jupiter’s moon Io