Posted Thu Feb 9, 2012 04:01 PM ET | 0
Britain's largest space rock -- excavated 200 years ago by an archaeological dig -- was also preserved by the Ice Age. Read more

Posted by Jennifer Viegas Thu Sep 1, 2011 02:00 PM ET | 0
The newly identified rhino, dating to 3.7 million years ago, shows many Ice Age animals first adapted to the cold in Tibet. Read more

Posted by Jennifer Viegas Thu Jul 28, 2011 05:00 PM ET | 0
Some dogs were domesticated by 33,000 or more years ago, but the Ice Age disrupted the process. Read more

Posted Mon May 16, 2011 01:54 PM ET | 0
For the first time in Earth's history, a single species has not only radically changed the planet, it is now aware of having done so. Read more

Posted Thu Feb 17, 2011 09:03 AM ET | 0
An English cave serves up the oldest known vessels made from human skulls. Read more

Posted by Jennifer Viegas Tue Feb 1, 2011 07:00 AM ET | 0
This giant was larger than the average bear, easily dwarfing the polar bear, the largest species living today. Read more

Posted Mon Jan 17, 2011 02:59 PM ET | 0
The long-extinct pachyderm could be back to life in five years time. Read more

Posted by Jennifer Viegas Mon Dec 13, 2010 08:39 AM ET | 0
A new method of identifying human gnaw marks on bones suggest early humans got nutrition from each other's flesh. Read more

Posted Mon Jun 21, 2010 12:30 PM ET | 0
The prehistoric monster will be analyzed, treated for germs and eventually placed on display. Read more

Posted by Larry O'Hanlon Mon May 3, 2010 12:03 PM ET | 0
Bacteria reprogrammed with 43,000-year-old mammoth DNA reveal clues to how the extinct mammals survived extreme cold. Read more

Posted by Irene Klotz Wed Mar 31, 2010 01:00 PM ET | 0
A new theory emerges to explain how early Earth was able to host liquid oceans despite a weak sun. Read more

Posted Wed Mar 31, 2010 12:00 PM ET | 0
One of the potential culprits has been ruled out, but the debate rages over what killed off the last mammoths. Read more

Posted by Larry O'Hanlon Thu Mar 4, 2010 06:56 AM ET | 0
Radar revealing remnants of a vast ice sheet under Mars hint at the Red Planet's climate changes over millions of years. Read more

Posted Tue Dec 1, 2009 09:17 PM ET | 0
What's a harpist doing in an ice cave in Antarctica? Sounding the ice for secrets, of course. Read more

Posted Fri Nov 20, 2009 12:09 PM ET | 0
About 15,000 years ago, some of the largest mammals in North America disappeared off the face of the Earth. Read more

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