Most animals mate at a certain time of year. But humans do things a bit differently. ...read more

Engineers build privacy into the design of U.S. contact tracing smartphone apps. ...read more

Every year, 8 million tons of plastic get dumped into the ocean. Scientists want your help tracking where it comes from and where it goes. ...read more

Scientists are trying to understand when infants are exposed to helpful bacteria for the first time. ...read more

Palms in Southern California, tumbleweeds in the desert West, earthworms in rich American soils: These well-known species aren’t what you think they are. ...read more

Evacuating hundreds of thousands of people in the midst of spiking coronavirus cases will pose particular challenges ...read more

The universe is awash in islands of matter — some 100 billion galaxies make up the basic building blocks of the cosmos. ...read more

Reports of patients with neurological symptoms have emerged during the pandemic. Scientists don’t yet know whether these are a direct effect of the virus or part of the body’s response to infection. ...read more

Pendants made from cave bear teeth are among the items found with the earliest modern human fossils in a cave in Bulgaria. ...read more

The study of exoplanets has revolutionized our understanding of how planets are born and evolve. And now, a new theory applies those insights closer to home. ...read more