Hawaii’s most active volcano has resumed erupting after a weeklong pause. The U.S. Geological Survey said Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes ...

A ntarctica isn’t a floating chunk of ice like the Arctic. Beneath its frozen surface sits a solid continent of mountains, ...

The mantle transition zone (MTZ), which occurs 410–670 kilometers below Earth's surface, may store several oceans' worth of water. This water, which is carried to such depths by subducting tectonic ...

Bedmap3 is the most fine-grain map to date of the landscape beneath Antarctica's ice. Scientists created it using more than ...