This Indiana rock formation dates back millions of years and offers both history and outdoor adventure, with trails, ...

Follow in the footsteps of the Buffalo Soldiers, who guarded parks and created trails in Yosemite, Sequoia, and Hawai’i ...

Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most areas. In contrast to the cold conditions ...