Scientists are closer than ever to deciphering sperm whale communication. Their breakthroughs could open the door to expanded ...

A toxin released by one of the largest algae blooms on record off the Southern California coast was linked to the deaths of a ...

Learn how the deeply intelligent killer whale learns to communicate by listening.

Tonight -- we have new reaction from Arizona after yesterday's guilty verdict for the so-called Doomsday Mom. Coming up -- ...

"They're more elusive — and critically endangered." Researchers stunned after capturing footage of rare predators in ...

"This was an exciting discovery for our team." Scientists stunned after spotting apex predator in unexpected location: 'This ...

Baleen whales are some of the most unique and breathtaking animals. These huge marine mammals are some of the biggest to have ...

Baleen whales are unique and breathtaking animals and are known for undertaking some of the longest migrations in the world.

Simon Pierce, who has studied whale sharks globally, said he has photographed suspected mating scars on female sharks in St.