In order to move the “exceptional” and massive rock, the tsunami was likely around 164-feet tall — the height of the Arc de Triomphe.

An analysis of Hawaii’s volcanic rocks revealed Earth’s core is leaking gold and other precious metals, a study found. The ...

A new study suggests the planet’s iconic domes owe their strange shape to both thick lava and a flexible surface.

The 50-kilometer-wide seamount contains three dormant volcanoes, the floor of which drops more than two kilometers below the ...