Kelp is more than just a nuisance to avoid on the beach. It's a vital part of our fight against climate change.

That was David Ho, a professor of oceanography at the University of Hawaii, talking about a new potential underwater solution to climate change. The United Nations says the ocean is the biggest ...

A new initiative was launched on Thursday to help communities profit from efforts to protect at least 30% of the world's ...

The warming hole might be a sign that Atlantic Ocean currents are slowing down. This network of currents regulates Earth's ...

Researchers said they discovered a "biological treasure chest" of corals located in an underwater lagoon off a remote South ...

National climate reporter Chase Cain traveled to Antarctica to show how whales and their microscopic neighbors help maintain a critical balance. Scientists from the California Ocean Alliance study ...

A sprawling, slow-moving system of ocean currents circulating in the Atlantic that help regulate the earth ... has drawn increasing scrutiny as climate change warms the planet because it plays ...

The amount of carbon dioxide in the atmosphere has continued to accelerate, increasing by a record amount last year. Trees, plants and tiny plankton in the ocean all convert CO2 into the oxygen we ...