The Marine Mammal Protection Act is just one of the keystone U.S. environmental laws under attack by the Trump administration ...

Whales and dolphins aren't just neighbors. They're also occasional playmates, according to new findings from Griffith ...

Researchers analyzed nearly 200 videos and photographs documenting interactions between the various kinds of cetaceans ...

Most gray whales without calves start heading north in February and March to feed in cooler waters in Alaska. A small number, called the Pacific Coast feeding group, stop earlier, feeding between ...

Changing ocean conditions making whale prey scarce are causing the mammals to stop singing, a recent study has found.

Gray whales typically have a "very low profile" in the water that can make them difficult to see, unlike other coastal whales, such as humpback whales, according to the Academy.

Another gray whale was reported dead near Point Isabel in Richmond on Friday, marking the 19th such death in Bay Area waters this year. Researchers have not recorded this many gray whale fatalities ...

Gray whales’ characteristic white patches are mostly made of barnacles and lice, and the Marine Mammal Center reports each whale can carry 400 pounds of them. Yikes!

There are currently an estimated 27,000 gray whales that migrate in the eastern northern Pacific region, incliuding 1,600 calves, according to the NOAA, which cited a 2016 survey. This population ...

The Marine Mammal Protection Act is just one of the keystone U.S. environmental laws under attack by the Trump administration ...