The historian Procopius described how a creature called Porphyrios terrified sixth-century sailors for 50 years. But what was ...

By far the largest ever found of its kind, the spiny fossil predator "would have made enough scampi to feed an army," one ...

When healthy, anemones look like pink flowers blossoming on rocks and coral, and serve as homes for clownfish, made famous by ...

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

Highlighting the best wildlife photography across land and sea, see some of the winning photos from this year's Wildlife ...

With the feeding frenzy in full swing, the dark blue sea water is a flurry of movement. Dozens of dolphins dart up from below ...

National Geographic’s top wildlife photos arrive at the Momentary Nov. 22, showcasing nature’s beauty and photography’s ...

A small number of birds have adjusted breeding times to match earlier springs, but it's not clear whether they can breed ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves skill, knowledge, and practice. Host Bertie Gregory filming a ragged tooth ...

A new documentary from National Geographic Pristine Seas and Oceans North spotlights how Inuit and Cree communities are ...