Researchers recorded an incredible variety of freeform songs over a four year period.
The other rare sighting occurred in February.
Eating crab doesn't just kill crabs.
It took less than a week for social media users to give the whale scientist her name.
The minke whale camera is part of an ongoing effort to better protect Antarctica's whale feeding areas.
Technically, dolphins are whales, and whales are more closely related to cows than sharks.
Despite legal protection, North Atlantic right whales keep getting struck accidentally by fishing boats and entangled in gear.
Dozens of species in the reserve cannot be found anywhere else in the world.
For 200 years the bones were forgotten by locals and visitors.
This bulbous-headed animal had to learn to fit in with her sleeker cousins.
Activists say overfishing will have devastating consequences for the species.
Sharks and whales help reduce the levels of carbon dioxide production.
A small(ish) cetacean earplug can tell scientists a lot about what it's like to be a 100-ton aquatic mammal on a changing planet.
The tooth itself is nearly a foot long.
SeaWorld says employees spied on activists to protect staff, customers and animals in the face of "credible threats."