October 21, 2015 'Lost' tectonic plate found beneath California A tectonic plate that disappeared under North America millions of years ago still peeks out in central California and Mexico, new research finds.
October 21, 2015 America's newest national park declared Pinnacles National Monument in California was signed into law as the United States' 59th and newest national park, now bearing the name Pinnacles National Park.
October 21, 2015 Ancient, underground Etruscan pyramids spotted in Italy The first ever Etruscan pyramids have been located underneath a wine cellar in the city of Orvieto in central Italy, according to a team of U.S. and Italian archaeologists.
October 21, 2015 At last, geologists have a theory about why Denver and High Plains are a mile above sea level Geologists may finally be able to explain why Denver, the Mile High City, is a mile high: water.
October 21, 2015 Why deadly Japan volcano erupted without warning The eruption at Japan's Mount Ontake volcano caught hikers by surprise this weekend. More than 250 people were exploring shrines and resorts at the 10,062-foot-high peak, the country's second-tallest volcano.
October 21, 2015 'Jellyroll' ice sculptures discovered under Greenland ice sheet The Greenland ice sheet may look like a vast expanse of white, but scientists peering beneath the smooth veil have found a fun house of sorts, full of giant jellyroll-like ice sculptures that could rival city skyscrapers in height and the whole of Manhattan in width.
October 21, 2015 Rare weather event fills Grand Canyon with fog A rare weather event has filled the canyon with fog, offering an even more stunning view than is typical.
October 21, 2015 3D-printed fossils & rocks could transform geology Whether they're cracking open rocks or scanning tiny changes in topography, geologists already work in three dimensions.
October 21, 2015 Maine volcanoes (yes, Maine) among world's biggest Maine has supervolcanoes, and their eruptions could have been among the biggest ever on Earth, scientists say.
October 21, 2015 Explosive supervolcanoes may have once rocked Mars The surface of ancient Mars may have been rocked repeatedly by giant supervolcanoes, which unleashed colossal and explosive eruptions that forever changed the face of the Red Planet, scientists say.