Posted by Jennifer Viegas 9 HOURS AGO | 0
The kings of the jungle are changing their behavior as they face ongoing stress, trying to avoid deadly human encounters. Read more

Posted by Jennifer Viegas Tue Jan 31, 2012 07:00 PM ET | 0
What allowed dinosaurs to get so big? A few factors were at play, including bird-like lungs, egg-laying and less need to chew. Read more

Posted Mon Jan 16, 2012 03:00 PM ET | 0
A newly found Paleozoic predator looked like a cross between a tiger and a Komodo dragon. Read more

Posted Mon Jan 16, 2012 12:41 AM ET | 0
Increasing human carbon dioxide emissions may be impacting the brains and central nervous systems of sea fish. Read more

Posted by Jennifer Viegas Wed Jan 11, 2012 02:00 PM ET | 0
The ferocious predator had arms that were equal parts Popeye and Barbie. Read more

Posted Tue Jan 3, 2012 08:35 AM ET | 0
The first-ever observed hybrid may be a sign the predators are adapting to climate change. Read more

Posted Mon Dec 12, 2011 10:28 AM ET | 0
New satellite images posted on Google Maps reveal a secret air base in Nevada, where drones are being tested. Read more

Posted by Jennifer Viegas Mon Dec 12, 2011 09:39 AM ET | 0
With its saw-like teeth and sleek body, this voracious predator was equipped to rip flesh from prey. Read more

Posted Fri Nov 25, 2011 03:21 PM ET | 0
Despite worldwide efforts to protect many species of shark, practices such as finning could force many to extinction. Read more

Posted by Emily Sohn Tue Oct 25, 2011 07:01 PM ET | 0
Land-dwelling species were decimated during Earth’s most massive extinction event -- offering a cautionary tale. Read more

Posted by Jennifer Viegas Tue Oct 25, 2011 07:00 PM ET | 0
Spiders are among the most vibration-sensitive organisms in the world, second only to cockroaches. Read more

Posted by Jennifer Viegas Tue Sep 27, 2011 07:00 PM ET | 0
Many beetle fossils have color, but they are a far cry from the hotrod shades these insects once flashed. Read more

Posted Tue Sep 27, 2011 12:04 PM ET | 0
Last weekend at least 100 people were treated for piranha bites from beaches in Brazil's northeast. Read more

Posted by Jennifer Viegas Tue Sep 13, 2011 07:26 AM ET | 0
Life on Earth 240 million years ago flourished in the seas, on land, and in intricate underground burrows. Read more

Posted Mon Sep 12, 2011 11:59 AM ET | 0
A satellite tracking device on the wayward penguin last sent a transmission on Sept. 4. Read more

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