From the highest peaks to the deepest chasms, the 7 natural wonders of the world will make you want to lace up your exploring ...

Looking for some bucket-list travel ideas? You can't go wrong with these natural wonders—though you might not believe your ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

While you can’t hike to the top, several short trails offer stellar views of Sunset Crater. Sunset Crater Volcano National Monument is a small park, and a convenient detour, on your way to or from ...

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

New research reveals that two massive lunar canyons, deeper than the Grand Canyon, were formed in under 10 minutes by intense ...