Volcanoes are often judged by the size of their eruptions, but volcanologists measure danger ...

HONOLULU (AP) — Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, ...

The bodies have not yet been recovered because continued eruptions and dangerous conditions prevented rescue teams from reaching the location.

The plumbing systems of volcanoes are vast and complex. But they aren't consistent, even in the same volcano. A Cornell-led ...

Some of the world’s most beautiful wonders are also its most dangerous. From toxic lakes to active volcanoes, these places ...

It's a truism among oceanographers that there is more accurate mapping of the surface of the moon and Mars than of the deep-ocean floor. That's especially true for the Bismarck Sea, a relatively deep ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...