A new dinosaur track site has been discovered in Alaska's Denali National Park. Experts say this discovery adds to the growing conviction that "dinosaurs lived at polar latitudes year-round during the Late Cretaceous Period, about 70 million years ago."
36-Hour Precipitation Outlook
Red hair a casualty of climate change
Warmer weather could render natural red heads extinct.
Living on Venus might be easy
Venus is inhospitable, we know that. But what about if you float above its surfa...
Counting down to greener games
The Pan Am and Parapan Am games will change the face of Toronto.