Magnolia will endure intense and sustained summer heat through Thursday, with heat indices dangerously high, with heat index values between 105–109 °F. Stay hydrated and limit outdoor exposure.

People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet.

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active ...

A false-color satellite photo from 2023 shows a devilish pair of lava flows and an enormous plume of smoke spewing from Klyuchevskoy, the tallest volcano in Europe and Asia.

Hundreds of earthquakes have been detected near Mount Rainier on Tuesday, the largest such swarm since 2009.

AI uncovered 86,000 quakes under Yellowstone, exposing chaotic swarms and reshaping our understanding of the supervolcano’s ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009. As of Thursday, July 10, 334 earthquakes had been identified ...

What if the most telling indications of an impending volcanic eruption are buried deep under the ocean, or in a fleeting succession of tiny quakes that no one perceives? As volcanoes of the Pacific ...

Read more in Earthquakes and Volcanoes, which is available from Smithsonian Books. Visit Smithsonian Books’ website to learn more about its publications and a full list of titles.