The nation is watching Arizona. Two experts join The Gaggle to explain what's happening right now with Republicans and ...

In one of his first secretarial orders, Doug Burgum ordered staff to review public lands with an eye toward opening them to mining or drilling.

Geologists examine a massive fissure in Arizona and find that may have existed way before it caught public attention.

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...