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, ...

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

Add Yahoo as a preferred source to see more of our stories on Google. An explosive eruption at the summit of Kanlaon Volcano occurred on February 19, sending a dark ash plume around 2,000 meters above ...

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 ...

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 ...