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.

The longest ever recorded dive by a whale was made by a Cuvier's beaked whale. It lasted 222 minutes and broke the record for diving mammals. Other whales can also hold their breath for a very long ...

Hippos spend a lot of time in the water, but they can only stay submerged for around 5 minutes at a time ...

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Hammerhead sharks can hold their breath to survive almost freezing-cold waters during deep dives, a study has found. The study, published in the peer-reviewed journal Science on Thursday ...