Deep-sea creatures exhibit gigantism, with football-sized eyes and van-sized sponges thriving in crushing darkness. These ...

A giant marine predator, once believed to roam only the seas, may have also inhabited ancient rivers 66 million years ago.

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

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

The rare creature, called Haliphron atlanticus, was seen by the Monterey Bay Aquarium Research Institute's biodiversity and ...

Mandrake, the British folklore-steeped gardening sim from Sunless Sea devs Failbetter Games, has shown off a money-desiring ...

The fanciful spirit woven into the DNA of Nantes quickly envelops visitors to the Atlantic coast city near the mouth of the Loire River in Western France. Upon learning that it’s the 1828 ...

The seven-armed octopus lives hundreds of meters below the surface of the sea and is one of the world's largest octopus species.

Size shapes the way animals move, hunt, and survive. For example, in the ocean, ginormous creatures rely on their massive ...

Explore the remarkable similarities and differences between sperm whales and giant squid, from size and behavior to diet and ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...