The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

Scientists in New Zealand have discovered what may be the biggest example of the species ever recorded—at more than 13 feet ...

'Thousands and thousands' of these curious creatures have been showing up on the Texas shoreline, expert says. What are they?

​From skies filled with battalions of bats, oceans filled with feeding frenzies, to grasslands alive with herds in motion, ...

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before ...

For a long time, the idea of giant animals has mostly been tied to dinosaurs on land. Oceans feel different, quieter, even ...

A towering, centuries old sea creature has been found rising from the seafloor off New Zealand, its branches forming a living ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

The ocean floor is becoming a massive plastic dump, with debris accumulating in deep-sea canyons and harming marine life.

When Ted Judah goes scuba diving off the coast in Monterey Bay, he normally swims at the surface to the area above the dive site and then descends. But on the morning of Dec. 30, the water was ...

A baby sea lion wandered out of the water in California and crossed traffic to a parking lot, where he was wrangled by ...

There are many types of penguins, a family of flightless aquatic birds that live primarily in the Southern Hemisphere. Read ...