The sudden heat altered oceans' chemical composition, which affected some top aquatic reptilian predators more than some ...

From high-altitude climbers to divers who can fish without scuba gear, scientists are finding new ways that human bodies may ...

In a protected part of the Amazon, Bacuri, a young manatee that was found stranded and alone, is being raised in captivity ...

The Indonesian coelacanth, a fish once thought to be extinct for 70 million years, was discovered alive in greater numbers ...

CNN’s Randi Kaye visits the waters of Florida’s Indian River Lagoon to get an up-close look at why manatees are starving to death. What was once a paradise for Florida’s manatees has become a death ...

Nate Burleson dives into open waters in Hawaii to swim with Galapagos sharks, challenging his fear and changing his ...

Researchers in Indonesia have filmed a rare coelacanth nearly 500 feet underwater—marking the first time the fish has been ...