Shutterstock A Grand Canyon in Upstate New York In Upstate New York, you’ll find a natural wonder that matches the beauty of ...

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

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

Shutterstock Arizona is a Magnificent State Arizona holds some of Earth’s most mind-bending natural wonders. From twisting ...

If you've already seen the Grand Canyon, make your way to this North American canyon that's even bigger (and that actually ...

There are alot of great caves in the US but there is a hot debate over which one is better Mammoth Cave or Carlsbad Caverns.

I love to hike and climb rocks but I could not complete this popular (and short!) slot canyon in Southern Utah ... and I ...

Groundwater is life in Arizona. Find out how we’re helping Grand Canyon communities manage their limited water supplies.