The chain catshark may look like any other shark in daylight, but under blue light, its skin glows neon green. Here’s a breakdown of this remarkable adaptation.

Switch between CA and NY editions here. A triathlete described as an “exceptional swimmer” is the missing 55-year-old woman believed to be the victim of a gruesome shark attack off the coast of ...

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head. By Carl Zimmer Look at ...

If great white shark swimming into a pond sounds like something out of a movie, that’s because it is, says Greg Skomal. Remember the infamous scene in Jaws where the shark swims into a pond, just ...

Mammoth Cave in Kentucky stretches for more than 420 miles (675 kilometers) below the surface of the ground and is often described as the world’s largest cave system. Recent explorations there ...

A newly examined prehistoric shark, Bavariscyllium, challenges long-held beliefs about shark evolution, revealing a much more complex history than previously thought. At approximately 25 centimeters ...

An ungainly barrel of a shark cruising languidly over a barren seabed far too deep for the sun’s rays to illuminate was an unexpected sight. Many experts had thought sharks didn’t exist in the frigid ...

MELBOURNE, Australia — An ungainly barrel of a shark cruising languidly over a barren seabed far too deep for the sun's rays to illuminate was an unexpected sight. Many experts had thought sharks didn ...

Merve Ceylan is a dietitian and health writer with four years of experience writing for companies in the nutrition and health industry. When you're hungry, signals from your empty stomach and ...