Posted by Jennifer Viegas Tue Apr 17, 2012 07:00 PM ET | 0
In the end, dinosaurs were no match for mammals and the main issue was their egg-laying. Read more

Posted Fri Apr 13, 2012 02:10 PM ET | 0
High-def imagery captured by satellites reveals populations of the largest penguin are higher than thought. Read more

Posted Thu Mar 11, 2010 11:01 AM ET | 0
Birds that appear to be half-hen, half-rooster aren't quite as mixed up on the cellular level. Read more

Posted Mon Jan 25, 2010 11:55 AM ET | 0
After the dinosaurs went extinct, the ancestors of some flightless birds didn't bother leaving the ground. Read more

Posted Fri Jul 31, 2009 04:48 AM ET
Computer scans of fossils from an ancient, giant raptor reveal that it may have preyed on people. Read more

Posted Wed May 13, 2009 08:14 AM ET
Macaroni penguins abandon their Antarctic home after the spring breeding season. But where do they go? Read more

Posted Tue Dec 9, 2008 06:42 AM ET
Some birds lay one egg while others lay up to 50 or more, and now researchers have figured out why, to the point where they can accurately predict egg counts for virtually all bird species. Read more

Posted Thu Oct 16, 2008 12:18 PM ET
Duck-billed dinosaurs' bony head crests, which ranged in appearance from long and pointy to huge, Elvis-style pompadour shapes, likely sounded as unusual as they looked, suggests new evidence. Read more

Posted Tue May 27, 2008 11:07 AM ET
Scientists follow the trail of a rogue Antarctic iceberg to connect global warming and its impacts on wildlife. Read more

Posted Wed Jan 2, 2008 04:25 AM ET
Humans parade to mark special occasions, and now it's been determined that fairy penguins, also known as little penguins, parade during “good years,” meaning years when food is plentiful, breeding rates are up and sea temperatures are stable. Read more

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