An ecology professor has put forward one of the strangest explanations for sightings of long-necked sea monsters.
The fossil remains of a particularly unusual species of prehistoric whale have been unearthed in Egypt.
Scientists have captured very rare footage of a particularly unusual type of fish off the coast of California.
A lobster diver got more than he bargained for on Friday when he had a close encounter with a humpback whale.
An American cryptozoologist has put forward a possible new explanation for the Loch Ness Monster.
Two women had been kayaking off the coast of California when they were almost ingested by a humpback whale.
Scientists have found a way to determine how old whale sharks are using the fallout from atomic bomb testing.
Biologists have successfully recorded the heartbeat of the world's largest creature for the first time ever.
A huge humpback whale was recently caught on camera breaching the surface next to a tiny fishing boat.
The whale, which was spotted off the coast of Norway, is thought to have escaped from a Russian military facility.
A rare white whale has been filmed splashing through the waves off the west coast of Baja California, Mexico.
Rainer Schimpf had been filming a sardine run when he inadvertently ended up in the mouth of a huge whale.
A dead humpback whale believed to be a 12-month-old calf has unexpectedly washed up on Marajo Island.
Originally spotted last year, this unusual animal has since been confirmed to be a genuine cross-breed.
A wildlife photographer recently captured the moment a whale's blowhole spray produced a spectacular rainbow.
Scientists have found the fossil remains of an ichthyosaur that was almost the size of a blue whale.
A 14-year-old orca named Wikie has succeeded in imitating some of the words spoken by her trainer.
Scientists have linked the brain size of cetaceans to the 'human-like' nature of their social behaviors.
The ancestors of today's blue whales were deadly predators with rows of large, razor-sharp teeth.
They may be giants of the deep today, but blue whales only gained their huge size 2-3 million years ago.