Swimming holidays are the ultimate in slow travel – and since the pandemic, they've become more popular than ever.

Deep beneath the icy waters of the Barents Sea, scientists have made an extraordinary discovery—a long-hidden mud volcano ...

Discovered by scientists in 2000, more than 700 meters (2,300 feet) beneath the surface, the Lost City Hydrothermal Field is the longest-lived venting environment known in the ocean. Nothing else like ...