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

The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do.

PANAGIS hauls himself out of the pool at a rehabilitation centre in Greece and scurries over for a delectable lunch: whole ...

A free-diving spearfisherman was suddenly rendered helpless after an unnerving incident with a sea lion off San Diego.

Similar seawater quality problems to those that have been reported near Victor Harbor are threatening the livelihood of a ...

Kirsten Coventry has made history as the first-ever female president of the International Olympic Committee (IOC).

Donald Trump has signed an executive order directing Education Secretary Linda McMahon to “begin eliminating” the Department ...

Just a faint whiff of penguin poop pushes their favorite prey to take "frantic" evasive action, reveals new research.

Paul London recalls cutting a promo with Bryan Danielson. When it comes to iconic promos from the independent scene, fans will often bring up a duel promo that Paul London and Bryan Danielson did for ...

The best dive watches combine old-school style and genuine underwater usability. Here are our top picks from Rolex, Tudor and ...

This is a scene-by-scene recap of Happy Face Season 1 Episode 1, "The Confession." For a discussion of the episode, please ...

Imagine looking at the world through the stalked compound eyes of krill in the Southern Ocean. All of a sudden, a penguin appears like a voracious ...