dinosaur extinction

Back to that anonymous posting... So have hope - chances are, you are not the dinosaur they call you and even if you are
Gates specified research being done by Nathan Myhrvold, who -- using statistical methods he'd gathered from his research
The scientists used a fire propagation apparatus to create pulses of heat using powerful halogen lamps. They exposed plant
What if? But in North America, in the last 8 to 10 million years before the asteroid hit, two major groups of herbivores
Scientists believe that a huge asteroid smashed into Earth 65 million years ago, wiping out the dinosaurs. But if that errant space rock was a whopper, it was a pipsqueak compared to an asteroid that scientists now say slammed into Earth 3.26 billion years ago.
“We knew it was big, but we didn’t know how big," Dr. Donald Lowe, a Stanford University geologist who conducted new research
The ocean-acidification theory has been put forth before, but some scientists questioned whether the impact would have produced
When an asteroid or comet slammed into Earth about 66 million years ago, most of our planet’s species were wiped out in a
The fossils revealed that the landscape 5 million years before the extinction, animal diversity was similar across all five
The 112-mile (180 kilometers) Chicxulub crater in Mexico was made by the impact that caused the extinction of dinosaurs and