This is your chance to potentially claim one of 450 self-guided rafting tour permits for the Grand Canyon's Colorado River.
If you're looking for the ultimate outdoor photo spot, Utah has vibrant purple mountains - and they're near the state's mini" Grand Canyon too!
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...
Scientists say America is no longer the only place with a Grand Canyon as NASA spots two enormous chasms carved into the ...
Even though these particular lunar craters aren't visible from your backyard, Kring says there are similar, but smaller canyons on the near side of the moon that's visible in the night sky. These ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results