As seals dive more frequently—and for longer—than humans do, the range of carbon dioxide in their bodies varies more widely.

The Sheriff's Office said the boy was on a fishing trip with his dad, brother and cousin when the boys decided to swim.

In a study in the journal Science, McKnight and his colleagues report they may have found the answer: Seals can directly ...

Chris McKnight has spent much of his career studying the physiology of seals. But in 2019, the ecologist decided to test a new instrument for gathering data underwater on another kind of swimming ...

Chris McKnight has spent much of his career studying the physiology of seals. But in 2019, the ecologist decided to test a new instrument for gathering data underwater on another kind of swimming ...

WINTER HAVEN, Fla. — A child disappeared while swimming in a lake on Thursday, according to the Polk County Sheriff's Office.