A minor cooling trend will continue into Memorial Day weekend across the lower deserts as a trough sets up over the region. Gusty winds will be a key feature--especially in the mountains, deserts and ...

Here is what to expect when traveling throughout Arizona on Memorial Day weekend, including traffic issues, event coverage ...

Scientists found clues in old boxes of bones that may explain why most large mammals vanished in the last 60,000 years.

Based on an unprecedented discovery in Alberta, Canada, The Journey North, tells the epic tale of one of the largest dinosaur herds that ever lived, the Pachyrhinosaurus, through the eyes of one of ...