THE world's "most mysterious" shark that lives for 400 years has been spotted lurking off the UK's coast. Greenland sharks are have conquered longevity to the point they could hold the key to ...

Nonetheless, they are known to hang around the UK's coast - and Brits have made confirmed sightings. The sharks are often touted as the world's most mysterious, because relatively little is known ...

Scientists have revealed for the first time that some fish sneak up on their prey by hiding behind sharks. The previously ...