We don't know exactly how long she could hold her breath underwater, but she clearly pushed herself to the limit: She repeatedly ruptured an eardrum from the hours she spent in studio tanks.

Unlike humans, marine mammals have evolved remarkable adaptations that allow them to hold their breath for extended periods, ...

Professional diver Andrew Ryzebol tells PEOPLE exclusively of his risky underwater explorations 200 feet beneath uncharted ...

Sonic the Hedgehog 3 shows Sonic breathing in space, but he can't breathe underwater. So how exactly does this ability work?

Did Chris Lemons ever go back underwater after the diving accident? Just three weeks after his near-death experience, Lemons and his co-workers went back underwater to finish the repair job they had ...

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