While the Greenland shark (Somniosus microcephalus) may not have the same fame as the great white shark, it holds an impressive distinction: it is the longest-living vertebrate species known to ...

Abigail Adams, wife of the second US president, was born in 1744. It's entirely possible that there are Greenland sharks still living today that were swimming in the North Atlantic Ocean at the time.

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. “Even though you want to try to, never grow up ...

A boat skipper said he was "dumbfounded" to find a possibly centuries-old Greenland shark in waters off Cornwall. Trev Worth was out training with his crew member Kingsley when they spotted the ...

As OceanX explained on their Instagram post of the video, the species is related to the Greenland shark which has one of the longest lifespans of any vertebrate and can interbreed with sleeper sharks.

Here are three animals that take longevity to another level. Greenland sharks are masters of slow living. Their energy conservation techniques allow them to live ... [+] to the ripe age of 400 or ...

Greenland sharks, inhabiting Arctic waters, are Earth's longest-living vertebrates, reaching up to 400 years old. Their slow growth, about 1 centimeter per year, leads to sexual maturity at around ...

Greenland sharks are elusive creatures that spend most of their time in the deep sea around the Arctic Circle. They are rarely found in coastal waters and hardly ever travel as far south as the UK. So ...