Arizona has always been a kind of open-air laboratory for the seemingly antithetical philosophy of conservation through commercialization. The only way the state’s natural wonders could be saved from ...

The Lost Woods Secret Cave has an entrance and an exit. The exit door is carved into a hollowed-out tree stump. But the proper entrance is actually hidden underneath the center bush in this formation ...

What looked like an ordinary campsite hid a secret cave just below the surface waiting to be uncovered. What is ‘ghost ...

Earth not only does not support diverse ecosystems, but it also has places that serve as analogs for other celestial worlds in our solar system. Astrobiologist Joshua Sebree of the University of ...

Tanzania, famous for its stunning landscapes and rich wildlife, has a lot more to offer than the usual safari trails ...