Life on the ocean is full of surprises, but few compare to encountering the biggest fish on Earth. During day 86 of their adventure living entirely from the sea, the crew discovers a massive ocean ...

Valve co-founder Gabe Newell is funding deep-sea expeditions through his organization Inkfish, discovering unclassified creatures in the hadal zone.

The Arctic Ocean has always been a region that’s fascinated University of Delaware doctoral student Tianyu Zhou. While most of humanity lives in the world’s temperate zone, the polar ocean seems like ...

Add Yahoo as a preferred source to see more of our stories on Google. Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, ...

Scientists are far from knowing all of the complexities of Earth's ocean. With this comic, we explore some of what scientists do know, like its role as one of the world's largest carbon sinks and how ...

A brooding mother octopus shelters her eggs behind two different types of corals. The image was made by pilots using a robot to explore the north wall of the Mar Del Plata submarine canyon in ...

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 ...

Did you know that the ocean produces approximately half of the world's oxygen? Or that key medicines have come from ocean discoveries, like a painkiller found in a sea snail? It's all true! And so is ...