(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...

Tonga eruption that poured 150 metric megatons of water vapor into the stratosphere affected the atmosphere for years A new study builds on previous research into the underwater volcano's effects on ...

Add Yahoo as a preferred source to see more of our stories on Google. Picture it. After a grueling 45-minute to one-hour hike up Nicaragua’s youngest volcano, Cerro Negro, you get to reward yourself ...

The Hawaiian Volcano Observatory is part of the U.S. Geological Survey, the science agency of the U.S. Department of Interior. Our job is to obtain and share science-based information about the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Things are heating ...

The Hawaiian volcano is spewing lava for the first time in 40 years. Here's what to know about the ongoing eruption. Reading time 1 minute Mauna Loa, the world’s largest active volcano, began erupting ...

The National Volcano Early Warning and Monitoring System, or NVEWS, was first authorized by congress in 2019 to be established within the United States Geological Survey. NVEWS serves as a critical ...

Volcano House is the Big Island of Hawaii's oldest hotel site and the only hotel/lodge within Hawaii Volcanoes National Park. TL;DR Don’t have time to read the full article? Here are my top finds: ...

The ice-covered Grímsvötn volcano on Iceland produced an unusually large and powerful eruption in 2011, sending ash 20km into the atmosphere, causing the cancellation of about 900 passenger flights.

The Kanlaon volcano in the Philippines erupted today (Dec. 9) at 3:03 p.m. local time, spouting an eruption column of up to 1.86 miles (3 kilometers) into the sky and triggering the evacuation of ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...