They are the largest fish in the world: whale sharks! And Mote Marine scientists need help finding them. Full story
Scientists still don't know why hundreds of baby southern right whales are turning up dead around Patagonia, a decade after observers first saw signs of the worst die-off on record for the species, according to the Wildlife Conservation Society (WCS). Full story
A group of Hawaii fishermen is asking the federal government to remove northern Pacific humpback whales from the endangered species list, saying the population has steadily grown since the international community banned commercial whaling nearly 50 years ago. Full story
Park rangers are trying to remove the 26-foot long carcass of a humpback whale calf that washed ashore in Oceano, California. NBCNews.com's Dara Brown reports.
A couple from Florida was able to record a whale of a tale on video during a vacation in Mexico. WFLA’s Natalie Shepherd reports.
Author Mary Roach demystifies the eating process with The Cycle hosts.
Viral video captured tourists swimming by sperm whales in the Dominican Republic. TODAY.com's Dara Brown reports.
Gray whales came out to play around Dana Point, California, where the close-up encounter was called so "incredible" it brought tourists to tears. TODAY.com's Dara Brown reports.
A pod of rare false killer whales swims off the coast of Paihia in the Bay of Islands, in New Zealand's North Island, April 13, 2013. False killer whales are a cetacean species that is rarely encountered in the wild. They swim in the open ocean often socializing with oceanic bottlenose dolphins. Ne
A snorkeler swims towards sperm whales diving into the deep blue sea off the coast of Mirissa, in southern Sri Lanka, March 29, 2013. The southern tip of Sri Lanka, where the deep waters of the continental shelf is close to the shore, is one of the few locations in the world to see dolphins, whales
Tourist boats, carrying whale watchers, surround a pod of resting sperm whales while a container ship sails in the background in the Indian ocean off the coast of southern Sri Lanka, near the town of Mirissa, March 29, 2013. The southern tip of Sri Lanka, where the deep waters of the continental she