Dan Buettner's iconic National Geographic cover story transformed our idea of what makes for a long, healthy life. It's now published online for the first time. OKINAWA, JAPANSquatting effortlessly on ...

Scientists have long struggled to define brain fog—let alone pinpoint a cause for it. But research is starting to reveal multiple potential causes from inflammation to a leaky blood-brain barrier.

Barn owls, in particular, are on another level. Known for their pale heart-shaped face and shrill calls, these fascinating ...