Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

Tucked away in the rugged terrain of the Anza-Borrego Desert State Park is the world’s largest wooden trestle bridge, a ...

The daredevil skydiver believes his stunt will revolutionize and offer a safer alternative to wingsuit flying.

That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...

To get there, you’ll have to hike a vertical mile into the depths of the Grand Canyon. This sought-after campground fills up quickly, so plan ahead and get your permit early. A few walk-in permits may ...