Geology
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
How Large Gold Nuggets Form in Quartz Crystals During Earthquakes
Quartz, which can generate electricity, attracts large chunks of gold when stressed and squeezed by seismic shaking, according to a new study
When a Glacial Dam Burst, an Alaskan Town Was Hit With a Sudden Flood
From Alaska to Peru and the Himalayas, glacial lakes are suddenly breaking free and causing deaths and millions of dollars in damages
Inside the Effort to Save Earth's Biocrusts
Think twice before stepping on that crunchy top layer of soil. It may be a vital ecosystem that you can help protect
'Matching' Dinosaur Footprints Discovered in Africa and South America
The fossils show how dinosaurs may have crossed between landmasses around 120 million years ago, when the continents were still connected
Our Moon Was Likely Covered in a Magma Ocean Long Ago, and New Data From India's Lunar Rover Supports That Theory
Soil composition measurements from the Chandrayaan-3 mission reveal white rock called ferroan anorthosite, which would have floated to the surface in an ocean of magma
Largest Diamond Since 1905 Unearthed by Miners in Botswana
Volcanic eruptions long ago brought the 2,492-carat diamond—the latest in a string of stunning discoveries over the last decade—to the surface
Asteroid That Ended the Dinosaurs Came From Beyond Jupiter, Study Finds
Metal isotopes delivered to Earth by the asteroid reveal it's consistent with space rocks formed in the outer solar system
Stonehenge's Massive Central Stone May Have Been Shipped From Hundreds of Miles Away
Researchers think they've solved the mystery of the monument's Altar Stone, which could have traveled all the way from Scotland
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
Scientists Drill Deeper Into Earth's Mantle Than Ever Before, Probing for the Origin of Life on Earth
The record-setting rock samples will provide insight into the chemical processes that may have kick-started life on our planet
Iconic 'Double Arch' Rock Formation Collapses in Utah
Changing water levels and erosion from waves may have contributed to the collapse in the popular Glen Canyon National Recreation Area
Meteorite Strikes Are the Primary Creator of the Moon's Thin Atmosphere, Study Finds
Researchers examined lunar soil samples collected during the Apollo missions to determine which weathering processes contribute most to replenishing the moon's atmosphere
Hidden Underground Magma Pools Fueled Iceland's Volcanic Eruptions, Study Suggests
A subterranean plumbing system of magma beneath the island’s Reykjanes Peninsula may have helped set off the recent series of eruptions that could last for centuries
Thousands of Moonquakes Rocked the Apollo Landing Sites in Less Than a Decade
A new study found 22,000 previously unidentified lunar seismic events recorded between 1969 and 1977
Mars Rover Finds Three Possible Signs of Ancient Life on a Single Rock
Scientists were cautiously optimistic about Perseverance's discovery, though they indicated further research is needed before drawing definitive conclusions
NASA's Curiosity Rover Accidentally Discovers Sulfur Crystals on Mars
The rover’s wheel cracked open a rock and revealed pure elemental sulfur, which researchers have never seen on the Red Planet before
Watch a Yellowstone Hot Spring Explode Into a Boiling Column of Mud, Water and Rock
Hydrothermal explosions typically occur every year in the popular national park, but rarely in areas so heavily trafficked by visitors
Geologists Uncover Remnants of Earth’s Mantle That Have Lasted Over 2.5 Billion Years
New research suggests that a discrepancy in rocks shows they endured extreme heat, and reveals more about an ancient part of our planet’s history
What Will Happen If This Iconic Research Vessel Stops Drilling in the Deep Sea?
After a career marked by major discoveries, the JOIDES Resolution is likely on its last official mission to retrieve rock cores from the ocean floor
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