A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

Mount Etna is Europe’s most active volcano and the continent’s largest. It attracts hikers and backpackers to its slopes, ...

An earthquake swarm 35 miles (55 kilometers) beneath Kilauea in August 1959 was followed in October by ground swelling ...

The chief volcanologist Teresito Bacolcol said it is too early to tell if Mayon’s restiveness would lead to a major and ...

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...

A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby ...

As the Maunaulu eruption waned, Kilauea summit inflated and two brief eruptions occurred in the latter half of 1971 — one in ...

All that volcanic activity means natural hot springs are prevalent within and outside the park. Two favorites include Tabacón ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

The Volcano Sauce is the star of the new Volcano Quesarito, plus a lineup of other menu items, including a Crunchwrap and ...