Mountains
It’s Been More Than 300 Years Since Japan’s Breathtaking Mount Fuji Last Erupted
Mount Fuji’s last eruption, which happened on this day in 1707, was also its largest, spewing ash and debris over cities and farms, causing famines, respiratory problems and untold death
Italian Hiker Discovers Animal Tracks From a Time Before Dinosaurs, Hinting at a Prehistoric Ecosystem
Revealed by melting snow in the Alps, the imprints in rock were left by reptiles and amphibians during the Permian period, which ended with the world’s largest mass extinction
Endangered Sierra Nevada Yellow-Legged Frogs Are Making a Comeback
Scientists are celebrating the recovery of the species in Yosemite National Park, where they were decimated by the introduction of non-native fish and the deadly amphibian chytrid fungus
See 15 Stunning Photos of California That Showcase the Golden State's Majestic Beauty
California offers lovely beaches, forests, deserts, mountains and more!
How a Team of Gophers Restored Mount St. Helens After Its Catastrophic Eruption With Less Than a Day of Digging
After the volcanic eruption of 1980, scientists released the burrowing rodents for only a brief time, but their activities left a remarkably enduring impact, according to a new study
Japan's Mount Fuji Has Now Remained Snowless for the Longest Time in Its 130-Year Record
After a summer that tied for the country's hottest, meteorologists say an unusually warm autumn is delaying snowfall
Archaeologists Map Two Forgotten Medieval Cities That Flourished Along the Silk Road in the Mountains of Central Asia
The new research could change history's understanding of the sprawling trade network that connected Europe and the Middle East to East Asia
Famous Explorer's Remains Discovered on Mount Everest Offer Clues in a Century-Long Mystery
In 1924, Andrew "Sandy" Irvine joined George Mallory’s expedition to the world’s highest peak. Now, Irvine’s recently found foot and boot hint at what might have happened on that ill-fated undertaking
Geologists Reveal a Surprising Reason Why Mount Everest Grows Taller Each Year
Earth's highest peak has gained as much as an extra 165 feet in elevation as the planet's crust adjusts due to erosion from a river, according to a new study
The Highest Peak in Great Smoky Mountains National Park Will Now Be Called by Its Cherokee Name
In 1858, the mountain was named for a Confederate general. Now, it will once again be known as "Kuwohi"
A Mysterious Seismic Signal Lasted Nine Days Last Year. It Was a Mega-Tsunami Caused by Climate Change, Researchers Say
A melting glacier caused a mountain in Greenland to collapse into a narrow fjord, setting off an oscillating wave that rattled seismic detectors around the world
More Than 200 Dead Bodies Have Been Left Behind on Mount Everest, and Many Mark the Path to the Summit
Mountaineers who perished on the world's highest peak have become landmarks for the living, though recovery crews have made risky expeditions to remove some of the corpses
How the Great Depression Fueled a Grassroots Movement to Create a New State Called Absaroka
In the 1930s, disillusioned farmers and ranchers fought to carve a 49th state out of northern Wyoming, southeastern Montana and western South Dakota
Slow-Motion Ripples in Earth's Mantle Built Mysterious and Stunning Highland Landscapes, Study Finds
Following the break-up of an ancient supercontinent, waves propagated through the hot, rocky layer beneath the planet's brittle crust and reshaped its surface over millions of years
'We Have a Rattlesnake Problem': Wildland Firefighters in the West Must Also Face a Slithering, Venomous Foe
Nearly 100 large fires are burning in the United States right now, including some in rattlesnake territory
Six Innovative Ways Humans Have Kept Cool Throughout History
From sleeping porches to coastal escapes, these tips and tricks helped people deal with extreme heat before the advent of air-conditioning
See Inside Denver's 143-Year-Old Train Station
The transit hub, which just got an $11 million makeover, is deeply connected to the city's history
Melting Ice Reveals Body of American Mountaineer Missing for 22 Years in the Peruvian Andes
Bill Stampfl, Matthew Richardson and Steve Erskine went missing in an avalanche on Huascarán on June 24, 2002. Climbers found Stampfl's body just weeks ago
Meet the Rare, 'Beautiful' Birds That Thrive in Snow and Are at Risk Because of Climate Change
The U.S. Fish and Wildlife Service listed the Mount Rainier white-tailed ptarmigan as threatened under the Endangered Species Act this month
Leftover Ramen Broth Is Causing Problems on South Korea's Mount Halla
Visitors are dumping the salty liquid on the ground, and authorities are concerned about its impact on plants and animals
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