Gray whales use Earth's magnetic field like a GPS to navigate their migrations, but cosmic bursts of radio static may throw them off.

Humpback whales attack their prey about as fast as humans jog. So how are they so good at catching tiny, speedy fish? Stealth and deception.

A 35 million-year-old whale fossil is a brand new species and represents an intermediate stage between foot- and tail-powered swimming.

Blue whale hearts work at extremes—from just 2 beats per minute when diving up to a maximum of 37 beats per minute at the ocean surface.

After a near miss with extinction, a population of South Atlantic humpback whales is on the rise.

Bats and whales that use echolocation both owe it to specific changes in a set of 18 genes involved in the development of the cochlear ganglion, research finds.

To steer clear of predators like orcas, right whales tone down their vocalizations, which "can be thought of almost like a human whisper."

DNA and stable isotope analysis indicate the skull belonged to a male, first-generation narwhal-beluga hybrid.

The narwhal's long presence in the Arctic, despite its extremely low genetic diversity, is mysterious.

"...these animals, which lived hundreds of thousands of years ago, were all undertaking migrations similar in extent to those of modern-day whales."