In a striking real-world experiment, flu patients spent days indoors with healthy volunteers, but the virus never spread.

A new study shows that some dogs can learn the names of objects by listening to human conversations without direct training ...

Doctors often say labs look “normal.” Dr. Mark Hyman explains why that doesn’t always reflect wellness, and what early ...

Go behind the scenes at the Outside Lab. See how we used data and science to stress-test rain shells, backpacks, and ...