This prehistoric species had powerful jaws that would have enabled it to eat anything -- even crocodiles.
Mongolia says a rare T. rex specimen on auction may have left the country illegally.
Bats, spiders and salamanders, oh my! Learn about the animals that lurk inside caves.
Posted Fri May 18, 2012 11:56 AM ET | 0
The iconic Australian animal is in danger of being wiped out due to lack of genetic diversity. Read more

Posted by Jennifer Viegas Fri May 18, 2012 06:42 AM ET | 0
This prehistoric species had massive, powerful jaws that would have enabled it to eat anything -- even crocodiles. Read more
Posted by Tim Wall Fri May 18, 2012 05:59 AM ET | 0
After 20 minutes the shopper's hand swelled to the size of a grapefruit. Read more
Posted Thu May 17, 2012 12:06 PM ET | 0
Tour some of nature’s most putrid, pungent places, nasty-to-the-nostrils nooks, and foul, fetid funky towns. Read more

Posted Thu May 17, 2012 09:22 AM ET | 0
Clues suggest the arachnids can shoot silk from their feet, but some scientists argue it's not true. Read more

Posted by Jennifer Viegas Tue May 15, 2012 11:55 AM ET | 0
A Maryland court recently declared the dogs are dangerous, but science suggests the ruling may be extreme. Read more

Posted Tue May 15, 2012 10:11 AM ET | 0
As dinosaurs loomed overhead, tiny female insects had just dusted themselves with pollen grains when they perished. Read more

Posted by Emily Sohn Mon May 14, 2012 03:00 PM ET | 0
Ninety percent of mammal species will lose habitat because of climate change in the coming decades. Read more

Posted by Jennifer Viegas Fri May 11, 2012 11:27 AM ET | 0
The golden poison dart frog now has its own personal sanctuary along the Pacific coast of western Colombia. Read more
Posted Fri May 11, 2012 06:40 AM ET | 0
Dads often get a bad rap in the animal kingdom, but many animal moms would probably not be given a heartfelt Mother's Day card, either. Read more

Posted by Emily Sohn Wed May 9, 2012 06:53 PM ET | 0
It had been believed that kangaroos produced little or no methane gas. Read more
Posted Wed May 9, 2012 05:00 PM ET | 0
A look at how "Santino," a male chimpanzee at a zoo, appears to enjoy his surprise attacks on humans. Read more

Posted by Jennifer Viegas Wed May 9, 2012 05:00 PM ET | 0
"Santino," a male chimpanzee at a Swedish zoo, appears to enjoy his surprise attacks on humans. Read more

Posted by Emily Sohn Wed May 9, 2012 11:46 AM ET | 0
The discovery adds Florida to the list of places in North America where humans coexisted with massive, now extinct, creatures. Read more

Posted Wed May 9, 2012 09:27 AM ET | 0
The smallest dwarf mammoth stood just under 4 feet and lived on the Greek island of Crete. Read more

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