In the animal kingdom, the creatures with the biggest hearts – relative to their size – are often the tiniest among us.

There’s no one clear measure for animal intelligence so some people disagree which ocean creatures are the cleverest. But, although it’s hard to say categorically, there are usually two front runners ...

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left alone.

Sea otters are one of nature’s most fascinating creatures, beloved for their playful personalities and critical role in marine ecosystems. From their dense fur to their impressive tool use, these ...

Orcas are at the top of the marine food chain, with no natural predators. From fish to seals, even great white sharks, nothing in the ocean is safe from their hunting prowess. Their ability to adapt ...

Donkeys have long been known as humble pack mammals, but behind their quiet demeanor is an animal full of intelligence, emotion, and remarkable resilience. Donkeys have served humans for thousands of ...

Penguins are some of the most charming birds on the planet, instantly recognizable by their tuxedo-like markings and humorous waddle. Beyond their adorable appearance are fascinating adaptations and ...

Candy wrappers. Balloons. Grocery bags. Every day, the equivalent of 2,000 full garbage trucks worth of plastic gets dumped in the world's oceans. Scientists have long known that plastic waste is ...

It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...

The ocean basins are so vast and deep that they hold about 97 percent of the Earth’s water. Sea water that’s trapped in ...

Introduction: Mangroves play a vital role in stabilizing coastlines, supporting biodiversity, and delivering essential ecosystem services. Methods: To assess animal biodiversity in Avicennia marina ...