Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

When humans kick swim through water, vortices form around their legs, generating the force that propels them forward. However, the mechanisms underlying variations in the structure of these vortices ...

Niwot’s Izzy Fay seems to be in peak form a week before attempting to defend her Class 4A 1-meter diving crown.

“Perhaps most enchantingly, underwater, his wings came to life, flapping to propel him forward and steering like rudders as he soared.” Breakthroughs, discoveries, and DIY tips sent every weekda ...

From a ballet of white-tip reef sharks to a cardinal fish releasing freshly hatched babies from its mouth, these underwater ...

The best swimming watches are designed to track your workouts in a pool or in open water. They are designed to do this accurately, with GPS to measure your route and speed, and to count your ...

An Aussie spear fisherman has revealed how an eerie vision during a vicious shark attack gave him the strength to fight back and survive ... My body was already trying to swim without me even ...

Ukrainian forces described a different kind of enemy, fighting with unfamiliar tactics and little option to retreat. By Marc Santora and Helene Cooper Marc Santora traveled to the Russian border ...

Western officials have told the BBC that North Korean troops have already suffered nearly 40% casualties in the fighting in Russia's western Kursk region, in just three months. The officials ...

Plan your fight nights ahead with our UFC fight schedule. Included below are all of the UFC's upcoming Fight Night cards and pay-per-events with announced bouts. We'll also include any odds that ...

Photographer Heinz Kluetmeier is perhaps best known for his more than 100 Sports Illustrated cover photos, including an iconic shot of the 1980 'Miracle on Ice' US Olympic hockey upset over the Soviet ...