Geology

The lava lake that sits atop Mount Nyiragongo in the Democratic Republic of the Congo is the largest in the world. 

How a Volcanic Eruption Caught Seismologists by Surprise

Scientists reveal why Africa's Mount Nyiragongo erupted without any perceived warning signs in May last year

Lava rises from the volcano eruption in Iceland's Meradalir valley late on August 6.

Why Hikers Are Clamoring to Photograph a Volcanic Eruption in Iceland, Despite Risks

Toxic gas, hypothermia and fragile terrain are among the site’s dangers

The spacecraft will study the moon for at least a year.

South Korea to Send Its First Mission to the Moon

The unmanned spacecraft will launch next week and begin to orbit the moon in mid-December

The trunk, ears and tail of this baby woolly mammoth, named Nun cho ga, are almost perfectly preserved.

Well-Preserved, 30,000-Year-Old Baby Woolly Mammoth Emerges From Yukon Permafrost

The mummified creature is helping to heal the rift between the Tr'ondëk Hwëch'in people and the miners and scientists who came to their lands

The Earth’s oceans have risen and fallen over the millennia. But they have, on average, been relatively stable over billions of years. The balance of the deep water cycle—the exchange of water between the Earth’s surface and its interior—has an important role to play in maintaining that stability.

How the Earth's Mantle Sends Water Up Toward the Surface

A new model suggests "mantle rain" ensures we will always have a surface ocean

Blue holes, like the Great Blue Hole in Belize, are vast caverns that descend into the seafloor. Sediment accumulates at the bottom of a blue hole, giving researchers a way to gauge historical hurricane activity.

Blue Holes Show Hurricane Activity in the Bahamas Is at a Centuries-Long Low

Many more powerful storms battered the region in the past

A fossilized Modocia typicalis trilobite from Utah

Five Places to See Trilobites in the United States

In a new book, fossil collector Andy Secher takes readers on a worldwide trek of trilobite hotspots

Located alongside New Jersey’s southernmost point, Cape May is a stunning Victorian shore community that once played a role in guiding Black enslaved laborers to freedom.

The 15 Best Small Towns to Visit in 2022

From the alleged birthplace of Paul Bunyan to the original gateway to Yellowstone, these towns are buzzing with activity

Grotto Geyser in Yellowstone National Park

Scientists Map Yellowstone’s Underground ‘Plumbing’

The new survey could be useful for everything from microbiology to thermal energy

InSight's final selfie, taken in April 2022.

Dusty InSight Mars Lander Takes Its Final Selfie

The Red Planet probe will likely stop operating sometime later this year

A 2015 expedition found two species of sharks living in the hot, acidic water near Kavachi, thus earning it the nickname "Sharkcano."

NASA Snaps Photos of Underwater 'Sharkcano' Erupting

Kavachi, a submarine volcano in the southwest Pacific Ocean, is home to several species of sharks and fish that can withstand the extreme environment

Adam Hardin's 2.38-carat brown diamond "Frankenstone" is the size of a pinto bean.

Treasure Hunter Unearths 2.38-Carat 'Frankenstone' Diamond

Adam Hardin discovered the impressive brown gem at an Arkansas state park

A view of a Palouse Falls in Palouse Falls State Park in Washington. Geologists believe massive floods carved out this canyon and others in the Scablands.

Devastating Ice Age Floods That Occurred in the Pacific Northwest Fascinate Scientists

The Scablands were formed by tremendous and rapid change, and may have something to teach us about geological processes on Mars

Bon Ami Mine is located in Little Switzerland, North Carolina, about 50 miles northeast of Asheville.

Black Lights Turn This North Carolina Mine Into a Psychedelic Wonderland

The Bon Ami Mine’s deposits of the mineral hyalite glow fluorescent green under ultraviolet light

Geologic processes have led to changes in the water and gases released by mudpots, geysers and springs—like this one.

Five Big Changes Scientists Have Documented During Yellowstone National Park's 150-Year History

Scientists have monitored the region closely for generations, and these are some of the most dramatic shifts they've seen

Eileen McSaveney (left) and Terry Tickhill (right) use a hand augur to drill Lake Vanda, Wright Valley, Antarctica, during the 1969-1970 field season. Water collected during this effort was used to date the lake.

Ten Pioneering Women of Antarctica and the Places Named for Them

These coves, peaks, glaciers and other landmarks honor female explorers and scientists who have contributed to our understanding of the continent

Ochre, an iron-rich rock, has been used as paint pigment by humans for hundreds of years in various applications, such as body paint, sunscreen and as a component in adhesives.  

Researchers Discover Oldest-Known Ochre Workshop in East Asia

Tools and pieces of the clay earth pigment found in northern China date to about 40,000 years old, and introduce new theories about early human migration

The Carnegie under full sail.  Cruise VII, Pacific Ocean.  November 14, 1928.

Inside the Last Journey of the 'Carnegie'

The groundbreaking ship and its dedicated captain shaped our understanding of the Earth’s magnetic field

Frozen ground preserved the body of this seven-week-old wolf pup, which lived during the Ice Age.

Five Fascinating Ice Age Finds Discovered in Yukon Permafrost

From a pristinely preserved wolf pup to ancient camels, remains found in northern Canada's frozen earth have provided remarkable glimpses into the Ice Age

The recent explosion was so powerful that it obliterated parts of the volcanic island of Hunga Tonga-Hunga Ha'apai, splitting it in two.

NASA Says Tonga Eruption Was More Powerful Than an Atomic Bomb

The recent blast was the equivalent of 4 to 18 megatons of TNT, according to scientists

Page 5 of 24