Squids first appeared about 100 million years ago and quickly rose to become dominant predators in the ancient oceans, according to a study published in the journal Science.

This previously unknown symbiotic relationship helps keep methane—a major greenhouse gas—trapped in the ocean.

On occasion, it is of vital importance to consider how little we know about the spinning rock we all live on. Take coral ...

The latest addition is the Marine Organismal Body Size (MOBS) database, an open-access resource that—as its name implies—has ...

According to an ancient Japanese belief, the appearance of this elusive fish near the surface is considered a harbinger of ...

Explore 10 fascinating octopus facts. From their multiple hearts to their impressive intelligence, learn what makes these ...

A mysterious deep-sea creature with fang-like teeth has been discovered in the unexplored waters off the coast of Cabo Verde.

Rare footage captures a living Antarctic Gonate squid drifting in the dark depths of the ocean, revealing its elusive behavior for the first time.

Binh’s spiny frog, or Quasipaa binhi, was discovered in the forests of central Vietnam. Known for its robust body and ...

We know surprisingly little about the deep ocean or the strange creatures that live there. These unusual animals have evolved ...

These unusual animals have evolved without sunlight and survive in complete darkness, resulting in many unusual characteristics. Here are some of the bizarre-looking sea creatures found lurking on ...