Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

Remnants of a liquid layer of magma near Earth's core, formed in the first few hundred million years of the planet's history, ...

As the Earth's crust shifted and groaned over millions of years, something extraordinary happened beneath the surface. Deep ...

South Africa is slowly lifting out of the water—by up to 2 millimeters per year depending on the region. It had been assumed ...

In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not ...

The most severe global coral bleaching event ever recorded is underway, with most of the world's reefs hit by damaging heat ...

Harmful bleaching of the world’s coral has grown to include 84% of the ocean’s reefs in the most intense event of its kind in ...

As people around the world celebrate Earth Day this year by planting trees and turning off a few lights, scientists look ...

Around 10,000 years ago, as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading ...

At the end of the last Ice Age, around 10,000 years ago, the melting of massive glaciers may have done more than just raise ...

Hundreds arrived at Marathon, Fla., to witness the release of a rehabilitated sea turtle named Addie into the Atlantic Ocean ...