Stretching from Greenland to Siberia, this underwater ridge sits along a volcanic fault line where repeat volcanic eruptions ...

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

Rolex’s Perpetual Planet Initiative supports individuals and organizations developing solutions to today’s environmental challenges. In the ocean’s shadowy Mesophotic Zone, the twilight layer between ...

Oceanic manta rays dive to record depths of 1,250 meters (4,100 feet), according to a first-of-its-kind study to examine in detail the extreme deep-diving behavior of these rays. Researchers tracked ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Warmer Atlantic water from near Greenland is heating up the depths of the Arctic Ocean, which was previously thought of as one of the few places not significantly affected by climate change. The sea ...

While it is well known that climate change is heating the world's oceans, it was thought that the deep sea was safe from its effects—until now. Researchers have discovered that a rapidly warming part ...