When it comes to fastest animal, we usually think of cheetahs, but many ocean creatures also boast spectacular sprints – here ...

An expedition records 29,556 animals in the abyssal trenches and reveals how they survive the pressure and total darkness.

As temperatures drop below freezing across New England, an unlikely animal is also in need of a little warmth this winter. Mystic Aquarium said it recently received more than a dozen cold-stunned sea ...

Here are 10 of the most effective predators in the ocean – and you might be surprised which one comes out on top ...

Let's Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

From shallow reefs to pitch-black depths, the ocean is alive with sparkling lights. Fish, squid, clams and plankton have found a wide range of ways to glow, shimmer and flash, lighting up the dark ...

Far beneath the waves, animals evolve in strange and surprising ways, often becoming much larger than their shallow-water relatives. This video explores why deep sea creatures grow to giant sizes, and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Although the apple ...

The ocean is home to some of the most stunning colours in nature, but few are as mesmerising as the vibrant electric blue ...

A new study bolsters the idea that the first animals were surprisingly complex, perhaps equipped with muscles and a nervous system. By Carl Zimmer One of the greatest transformations in the history of ...

For the first time, scientists observed tubeworms and other complex ocean creatures dwelling beneath hydrothermal vents. By Robin George Andrews Off the western shores of Central and South America, ...

There’s something deeply comforting about having a work bestie; someone who knows when to make you laugh or when to let you breathe quietly. The box jellyfish is a nearly invisible killer, thanks to ...