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

Red wolves once ranged far and wide across the U.S., helping them earn the nickname “America's wolf.” But there are now ...

The first U.S. military flight to deport migrants from the United States to Guantanamo Bay was set to depart Tuesday, a U.S. official said. It is the first step in what is ...