A new study from researchers at the University of St. Andrews’s Sea Mammal Research Unit in Scotland suggests that some seals ...

Biologging uses animal sensors to track ocean changes, helping scientists address climate, pollution, and conservation.

As seals dive more frequently—and for longer—than humans do, the range of carbon dioxide in their bodies varies more widely.

The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.

For years, scientists felt like the fish they were watching watched them back. A new study suggests they can recognize a ...

Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms ...

Enjoy a five-day unit with comprehensive daily lesson plans, graphic organizers, comprehension questions and more!

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...