One of the worst days in the history of life on Earth started like any other. Herds of hadrosaurs with huge head crests and duck bills roamed ancient New Mexico for plants to eat, making sure not to ...

Researchers from the Center for Astrophysics theorize that a comet, not an asteroid, is to blame for killing off the dinosaurs on Earth. In a press release, researchers said the Chicxulub impactor ...

Every school child knows the dinosaurs were killed off by an asteroid smashing into the Earth some 66 million years ago. But scientists say the story may not be quite that simple, and that massive ...