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Eastern U.S. Faces Potential for Large Earthquake Losses
The magnitude 5.8 quake that struck central Virginia today was unusual for the area. But parts of the Eastern Seaboard still face a high risk of earthquake damage and casualties, in some cases higher...
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Why the East Coast Earthquake Was Felt So far Away
During Tuesday’s magnitude 5.8 earthquake in Virginia, perceptible shaking was reported as far away as South Carolina and Maine. Why? It comes down to a difference in crust.
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Cosmic Bling: Astronomers Find Planet Made of Diamond
An international team of astronomers has discovered a planet made of diamond crystals in our own Milky Way galaxy.
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Beautiful Destruction: 11 Gorgeous Geological Maps of Volcanoes
Geological maps can be so beautiful you'd want to hang them on your walls. And maps of volcanoes are among the most stunning works that geologists produce. This gallery has some awesome examples from...
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Volcanoes Blamed for Greatest Land and Sea Extinctions
The biggest volcanic eruptions of the past half eon had seemed a likely culprit in the greatest mass extinction Earth has seen -- both biotic cataclysm in the sea and on land.
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Rainbow Map of Giant Asteroid Shows Planet-Like Features
A rainbow-colored map of the asteroid Vesta, obtained by NASA's Dawn spacecraft, offers proof that the pumpkin-shaped rock is more like a terrestrial planet than most of its asteroid belt siblings.
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Geologists Find Source of Stonehenge’s Inner Stones
A team of geologists from Britain have pinpointed the exact quarry that Stonehenge's innermost circle of rocks came from. It's the first time that a precise source has been found for any of the stones...
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How a Diamond Is Like a Champagne Cork
Scientists have long known that a diamond's trip from deep below Earth's surface must be quick indeed: Lab tests show that at conditions found in the crust, the gems would burn up in a matter of days,...
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Asia and Americas on Course for Arctic Collision
It'll be a geological showdown for the ages, with North America, South America, Europe and Asia colliding head-on over the North Pole to create a supercontinent called Amasia.
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Planet Mercury Even Weirder Than We Thought
New data suggests that Mercury has undergone much more dynamic processes than previously believed and that its core is unlike any of the other rocky planets in our solar system.
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Moon Rock Analysis Casts Doubt on Lunar Origins
A new analysis of lunar minerals shows the moon is more similar to the Earth than thought, challenging the prevailing view of our nearest celestial neighbor formed.
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Rare-Earth Mining Rises Again in United States
A company called Molycorp has re-opened a California mine that was once the world’s leading source of rare earths, the elements on which modern technology relies.
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Grand Canyon-Sized Rift Found Under Antarctic Ice
The British Antarctic Survey has announced the discovery of a mile-deep rift valley under the ice of West Antarctica. The snow-filled basin was found under the Ferrigno Ice Stream -- a region that has...
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Giant Ice Avalanches Found on Saturn’s Moon Iapetus
Enormous ice landslides have been spotted on Saturn's moon Iapetus. Scientists think that heating of the ice causes it to become slippery, helping unravel the mystery of giant landslides elsewhere in...
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Martian Mountain’s Features Resemble Grand Canyon’s Layers
The stunning layers of Mars' Mount Sharp in this recent image from NASA's Curiosity rover call to mind a familiar canyon in the American southwest. The photo is part of a larger image taken by...
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New Exoplanet Is Twice Earth’s Size — And Made Largely of Diamond
A team of astrophysicists has estimated that an exoplanet twice the size of Earth is largely made up of diamond. The planet, 55 Cancri e, is located around 40 light years from Earth and has a mass...
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Solving the Mystery of River Formation
Look outside after a heavy rain and you may find a miniature Grand Canyon in your backyard, complete with a complex network of tributaries. The precise conditions that cause rivers of all sizes to form...
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The Solar System’s Most Spectacular Geology Revealed by 50 Years of Robotic...
Scientists have gained an incredible amount of information and understanding in the half-century since Mariner 2 took flight in 1962. Here we take a look at some of the geologic highlights from the...
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Hints of Lost Continent Found Beneath Indian Ocean
Geological detectives are piecing together an intriguing seafloor puzzle. The Indian Ocean and some of its islands, scientists say, may lie on top of the remains of an ancient continent pulled apart by...
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The Weirdest Things Recently Found on Mars
NASA's Mars Reconnaissance Orbiter holds one of the best cameras of any space probe, the HiRISE camera, which can see features on the Red Planet as small as 1 meter across. Here, we take a look at some...
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