What if the most beautiful creatures on Earth were also the most mysterious—and nearly invisible? Rare big cats live in the ...

Tucked away in Arizona’s northeastern corner is a water playground that most tourists never find. Lyman Lake gives you 1,500 acres of water fun without the elbow-to-elbow crowds of more famous lakes.

Beginning just after sunset, you’ll follow a one-mile loop through the towering saguaros and desert landscape, while learning ...

Truth is, we don’t know how the Tree of Life will fall, and we don’t know when. It could happen in five years, in 40 years, ...