Herbivores : Discovery News

Why Dinosaurs Were So Huge

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

Saber-Toothed Vegetarian Had Threatening Mouthful

Posted by Jennifer Viegas Thu Mar 24, 2011 02:00 PM ET | 0

A dog-sized plant-eater from 260-million-years ago likely used its fierce-looking teeth to ward off predators. Read more

Beaks Transformed Dinosaurs, Expanding Diet

Posted by Jennifer Viegas Mon Dec 20, 2010 03:00 PM ET | 0

The beak was like a Swiss Army knife for dinosaurs because it provided many tools in one unit. Read more

Bad Breath Prompts Insects to Keel Over

Posted by Jennifer Viegas Mon Aug 9, 2010 12:00 PM ET | 0

Plant-dwelling insects have a unique defense system that zeroes in on smelly animal breath. Read more

As Mammoths Died Out, Earth Chilled

Posted Sun May 23, 2010 02:46 PM ET | 0

As massive grazing animals were killed off by early human hunters, methane levels dropped, contributing to a chilling planet. Read more

Dino-Era Reptiles: Part Cow, Armadillo, Crocodile

Posted by Jennifer Viegas Fri May 21, 2010 07:00 AM ET | 0

This heavily armored reptile may have lived among dinos, but it sure wasn't threatened by them. Read more

Dinos Evolved by Fattening Up

Posted by Jennifer Viegas Tue Nov 10, 2009 07:00 PM ET | 0

Think of a dinosaur and what may come to mind is a large, lumbering animal with four legs, a long neck, a tiny head and tail. Now a new species helps to explain how this iconic dino body shape evolved. Read more

Dinosaur 'Stomping Ground' Found in Utah

Posted Wed Oct 14, 2009 09:50 AM ET | 0

A vast collection of broken dinosaur bones unearthed in southeast Utah indicates they were smashed underfoot by other dinosaurs shortly after they died, according to paleontologists. Read more

Dino Footprints Set New Record

Posted Tue Oct 6, 2009 02:25 PM ET | 0

French researchers on Tuesday said they had uncovered the biggest dinosaur footprints in the world, left by giant sauropods that may have weighed 40 tons or more. Read more

GPS and Hair Analysis Reveal Elephant Stresses : Discovery News

Posted Tue Jun 30, 2009 09:26 PM ET

GPS collars and analysis of chemical isotopes in tail hairs help researchers understand how human encroachment and climate change could harm elephant populations in Kenya. Read more

Red Flowers Pack a Cyanide Surprise: Discovery News

Posted Tue Jun 30, 2009 09:25 PM ET

An Australian native plant is using chemical warfare to prevent its bright red flowers being eaten, according to a new study. Read more

Desert Tortoises Get Real Estate Map: Discovery News

Posted Tue May 26, 2009 03:13 PM ET

Predicting where displaced animals could live may become an important conservation tool. Read more

Sinus-Laden Dino Skulls Reveal Hotheaded Life: Discovery News

Posted Tue Dec 9, 2008 06:53 AM ET

Scientists have discovered that dinos possessed more air cavities in their heads than was previously believed, including many sinuses -- the same cavities that can lead to sinus headaches and infections in people. Read more