Specialised underwater gimbals and tow cameras were used to bring cameras alongside hunting orcas underwater. This technology ...

THIS is the chilling moment killer whales practice drowning each other in a horror training session caught on video for the first time. The moment was captured on film for an upcoming five-part ...

Off Baja California in Mexico, a killer whale named after an Aztec emperor is leading his pod on routine takedowns of the largest fish in the sea: whale sharks. There have been isolated reports in ...

Carbon dioxide is the major greenhouse gas, which prevents the sun’s heat from escaping away from the Earth. In the last few ...

The Antarctic blue whale can weigh up to 400,000 pounds and stretches to 98 feet in length. The underwater call of the sperm whale, the earth’s loudest, registers at 230 decibels.

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making ...

Approving two proposed killer whale species could transform how they're conserved. It would also turn a new page in one of the strangest chapters in marine mammal history.

J35, a southern resident killer whale also known as Tahlequah, carried her child's body on her head for 17 days across a distance of 1,000 miles in 2018, according to the Center for Whale Research.

From around 8:20 a.m. to around 4:15 p.m., scientists observed about 15 killer whales hunting a group of seven to 10 humpback whales, according to Jim Tietz, a biologist at the Point Blue Farallon ...