Gray whales travel from the Arctic to Mexico each year. And they're not finding enough to eat, scientists say.

Google said that people in Mexico will still see the Gulf of Mexico label. Trump also changed the name of of Mount Denali in Alaska back to Mount McKinley. Google says it will make that change too ...

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.

The whale shark, the largest fish in the world, is a harmless species that visits the waters of the Bahía de los Ángeles Biosphere Reserve, established by the National Commission of Protected Natural ...