300 million years ago, your great ancestor had a head like a shark's

When looking at any living creature, you should ask yourself two things: Does it have a jaw? Does it have a spinal column? If the answer to these questions is yes, then you share a common ancestor with it — a very distant common ancestor, but a shared one, nonetheless. Now, research findings published in this week's… » 6/14/12 5:00pm 6/14/12 5:00pm

Whales have a sensory organ unlike anything we've ever seen

It's possible that whales can sense things that no other living creatures can. Scientists have discovered a grapefruit-sized mass of vessels and nervous tissues located in whales' chins, and they believe it's an entirely new kind of sensory organ. It's possible the organ is what allows these massive creatures to eat… » 5/24/12 11:51am 5/24/12 11:51am

This four-winged dinosaur is helping rewrite the book on prehistoric…

What color were the dinosaurs? It's a question that people have puzzled over for close to 200 years, and one that many long believed to be unanswerable. But a few years ago, scientists discovered that microscopic structures called melanosomes could be used to reveal prehistoric creatures' true hues. » 3/08/12 3:56pm 3/08/12 3:56pm

The…

Scientists discover vast field of footprints from 8-million-year-old…

One of the largest paleontological finds in history has been discovered in the United Arab Emirates. Researchers working in the country's deserts have uncovered a massive tract of land riddled with the footprints of four-tusked titans called Stegotetrabelodon syrticus — the earliest known members of the elephant… » 2/22/12 12:21pm 2/22/12 12:21pm

Tyrannosaurus rex was much, much bigger than we thought

An international team of researchers has used three-dimensional laser scans to determine that Tyrannosaurus rex were likely 30% more massive that we once thought — and a whole lot hungrier. Be honest, now...how many of you woke up this morning thinking you'd hear the words "three-dimensional laser" and "Tyrannosaurus… » 10/13/11 3:15pm 10/13/11 3:15pm

How a 43,000-Year-Old Wooly Mammoth Could One Day Save Your Life

Heart and brain surgeries are called "hypothermia-dependent" procedures because doctors often have to lower their patients' temperatures during surgery. The thing is, human blood doesn't transport oxygen as well at cold temperatures. Surgeons rely on synthetic blood substitutes to help the patient's body cope. » 9/14/11 1:18pm 9/14/11 1:18pm