Doesn’t it feel otherworldly out here?” says Colleen Durkin from the lower deck of the Rachel Carson as it glides out from ...

Globally, toxic algal blooms are becoming more frequent and severe, fueled by a warming climate and nutrient runoff. While ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...

A treasure trove of deep reef dwellers has been discovered in coral reefs off the coast of Guam, including 20 that are new to ...

Hughes was going to do the unthinkable with it: mine manganese nodules right from the ocean floor. So, when the Glomar sailed ...

The chart below tracks President Donald Trump’s approval and disapproval ratings across polls. It includes all national-level results on this question which meet CNN’s standards for reporting.