These reptiles move around tree trunks to seek warmth or shade. With trees disappearing, they would have trouble controlling their body temperature, a new study shows. In Colorado, people flock to the ...

A small lizard took its first climb on a tree in what was once a tropical island forest in New Mexico. It was a climb that hundreds of millions of years later would drastically alter what was known ...

In Colorado, people flock to the Rocky Mountains when the summer heat gets unbearable. Animals seek shelter too when temperatures become extreme, and forests serve as critical sanctuaries for small ...