One of the most unique about whales is that they're the largest animals to ever exist on Earth — even bigger than the largest ...

The Largest Living Structure on Earth Imagine something so vast that it's visible even from space—this is the Great Barrier ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

With its cartilaginous body and cold blood, the whale shark is decidedly not a whale. But this shark is about as long as a humpback and just as gentle. So gentle, in fact, that tours to dive with ...

The harbor seals of Alaska’s Iliamna Lake, which make up one of only five freshwater seal populations in the world, have long been a subject of fascination for their separateness from the seals that ...

You can see the joyfulness in them, so the fact that these animals are struggling for reasons really associated with actions ...

A federal appeals court is reinstating rules designed to protect a vanishing whale species from entanglement in fishing gear.

Commercial fishermen who hoped for a loosening of fishing regulations during President Donald Trump’s administration faced a ...

WWF, the University of Strathclyde and the British Antarctic Survey (BAS) have teamed up for the pioneering project, which ...