The Greenland shark ( Somniosus microcephalus) is no ordinary fish. Measuring up to 23 feet (seven meters) long and capable of living for over 400 years, it moves through the icy waters of the North ...

In the cold, dark depths of the North Atlantic and Arctic Oceans swims one of the planet’s most mysterious and ancient creatures. The Greenland shark, a sluggish predator with a ghostly gray body and ...

Imagine being alive during the American Revolution. According to Danish researchers at the University of Copenhagen, a shark was old enough to have lived before the United States was ever a thought in ...