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 ...

When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from human view: the secret world of the seafloor.

Ever wondered how much of our vast, mysterious oceans we’ve uncovered? Spoiler alert: not nearly as much as you’d think!

Divers explore the ocean and discover an incredible massive octopus hiding underwater. While diving and cleaning trash, the unexpected encounter turns the dive into an amazing wildlife moment.

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, ...

Humanity is rapidly altering a vast ecosystem that sustains life on land and sea. But restoration is nearly impossible ...

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 ...

Mattie has extensive experience in ocean exploration initiatives, marine science research, program development and facilitation. She is incredibly passionate about ocean science and education and ...

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 ...