October 21, 2015 Was 5.6-magnitude 2011 Okla. earthquake man-made? If man-made, it is the most powerful quake to be blamed on deep injections of wastewater, according to a study published Tuesday by the journal Geology.
October 21, 2015 What Antarctica looked like before the ice Like Alaska's mighty Yukon, a broad river once flowed across Antarctica, following a gentle valley shaped by tectonic forces at a time before the continent became encased in ice.
October 21, 2015 Italian scientists appeal earthquake manslaughter verdict The six scientists and one government official convicted of manslaughter over statements they made before a 2009 earthquake that killed 309 in the town of L'Aquila, Italy, have filed appeals against the verdict
October 21, 2015 The sands of time: Continent 'lost' 60 million years ago found by scientists Hidden beneath the brilliant blue waters of the Indian Ocean lies a secret, scientists say: an entire micro-continent that detached itself some 60 million years ago.
October 21, 2015 Science on ice: lab operates inside a glacier Nearly 700 feet under the Svartisen glacier in northern Norway, researchers are huddled together underground. In the world's only lab located inside one of these giant hunks of ice, they are carrying out some of the best experiments on the movement and composition of glaciers ever done.
October 21, 2015 Bubbles from glacier ice turn up the noise in Alaska fjords Glaciologist Erin Pettit began a research project to find out what humpback whales heard when a big piece of ice falls from a glacier and crashes into the ocean. But the sound generated by ice d...
October 21, 2015 Hidden Napa earthquake faults found by NASA radar The Aug. 24 Napa earthquake woke several small, previously unrecognized Napa Valley faults, according to the first results from a high-flying NASA radar instrument.
October 21, 2015 Rare diamond reveals Earth's interior is all wet A battered diamond that survived a trip from "hell" confirms a long-held theory: Earth's mantle holds an ocean's worth of water.
October 21, 2015 In Antarctica, a waterfall runs red It's as eerie as it is breathtaking and surprising: a waterfall in Antarctica that runs blood-red.
