Rising more than twice the height of Mount Everest, Olympus Mons dominates the landscape of Mars and holds the title of the ...

This story was updated on Dec. 24, 2025. A year ago on Dec. 23, 2024, one of the world’s most active volcanoes awoke.   That ...

The volcano, called Axial Seamount, is more than 3,600-feet-tall and sits half a mile underwater just 300 miles off the coast of Oregon. Experts made the prediction on December 10 after detecting ...

“And sure enough, when we examined the high points of this region, we noticed that they formed an arc.” That arc is reminiscent of a shield volcano, Lee added, a type of volcano that also exists on ...

Volcano tourism isn’t new. After all, getting closer to a violent volcanic eruption didn’t work out too well at Pompeii in 79 A.D. for Pliny the Elder. He sailed across the bay to rescue friends but ...

A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes ...

There are roughly two dozen or so volcanoes in a state of “unrest” or erupting somewhere on the planet. 2025 has been no different but some activity has attracted media attention and one is in our own ...

Kilauea in Hawai’i has been in a state of near-constant eruption for decades, providing researchers with a uniquely reliable setting to study one of our planet’s most unpredictable and destructive ...

This MCC image, taken on September 03, 2015 at an altitude of 6144 km with a resolution of 320 m, shows an intermediate sized shield volcano known as Tharsis Tholus. It is located in the eastern ...

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

On some Mars images, Olympus Mons does not look dramatic at first glance. It sits there quietly, a wide pale rise against ...