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Mike Hollingshead / Corbis / Getty Burning Fossil Fuels Almost Ended All Life on Earth
A road trip through the geological ruins of our planet's worst mass extinction.
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NASA / Reuters Earth Is Not in the Midst of a Sixth Mass Extinction
“As scientists we have a responsibility to be accurate about such comparisons.”
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jamesteohart / svrid79 / Benny Marty / imaginasty ... A Possible Break in One of Evolution's Biggest Mysteries
Whales have a history that is among the strangest and least-understood of any animal—and barnacles might be the key to unlocking their secrets.
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Lucas Jackson / Reuters The Last Great Arctic Shipwreck
What we can learn from the ruins of the HMS Terror
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albund / shutterstock / Paul Spella / The ... Is Middle America Due For a Huge Earthquake?
In the early 19th century, a series of massive quakes rocked Missouri. Some experts predict that the state could be in for another round of violent shaking, while others warn that a big quake could strike elsewhere in the center of the continent.
