I've been to the Mariana Trench. The choice is clear: Protect one of earth's last frontiers or destroy it before we even understand what we're losing.

For years, scientists have tried to understand what’s hidden in the Earth. Now, a recent investigation has revealed something surprising: the Earth’s core ...

The 748-foot-long sediment core contains a record of roughly the past 23 million years, including periods when the planet's surface temperature was hotter than it is today ...

A team of researchers has produced the strongest experimental evidence yet that Earth’s iron core holds enormous quantities ...

Few living scientists have witnessed as much planetary change as the legendary  Sylvia Earle, who recently turned 90. A ...

In A Nutshell Antarctica, not the Indian Ocean, hosts Earth’s strongest nonhydrostatic geoid depression when scientists ...

Half of Earth’s oceans are more than 3.2km deep. Beneath them lie cavernous plains untouched by sunlight, vast gaping trenches made by Earth’s tectonic plates shifting, and ranges of underwater ...

Earth’s core has often been described as just a giant ball of iron and nickel. Now, a new study argues that it is also a major storage place for hydrogen, possibly equivalent to dozens of oceans’ ...

Plastic pollution remains one of the world’s most challenging environmental problems. Plastic pollution has been found ...

Antarctica is home to many mysteries, but one of the strangest is an enormous 'gravity hole' deep beneath the ice. Now, ...

Deepest drill beneath Antarctic ice reveals an ancient ocean, sharpening sea-level risk forecasts. Read more at ...