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Should "potential exposure" by a health worker to someone with coronavirus be enough to send that worker home for two weeks of self-quarantine? Health systems have begun debating relative risks.

A study of 11 sleeping brains sheds some light on the mysterious link between sleep problems and Alzheimer's disease. The flow of cerebrospinal fluid through the brain appears to be the key.

Scientists are trying to flip the script on control of mosquitoes in an effort to combat dengue fever. Instead of trying to wipe them out, they're infecting them with bacteria.

The three physicians "found the molecular switch that regulates how our cells adapt when oxygen levels drop," a member of the Nobel Committee said.

Rain was best known for the eerie, sonorous voice he lent to HAL 9000 in the 1968 Stanley Kubrick film. However, he was also celebrated for his decades of performances on the Shakespearean stage.

'The Hot Zone,' a miniseries on the National Geographic Channel, was "inspired" by a 1989 Ebola crisis in the U.S. We asked virologist Thomas Geisbert, who was on the scene.

The top legal officials of 48 states, led by Texas Republican Attorney General Ken Paxton, announced a major investigation into Google's dominance in search and advertising.

In September, the Trump administration said it would ban all flavored e-cigarette products in an effort to reduce the youth vaping epidemic. Since then, there's been no movement toward implementation.

In a new book, Reshma Saujani of Girls Who Code joins a chorus of voices warning of devastating consequences if girls don't partake in tech — and suggesting girls should be encouraged to take risks.

About 14% of U.S. public school students receive special education services. And as schools transition from the classroom to the computer, many of those students could get left behind.