You could opt for the classic tourist trinkets or you could do a little extra research and bring home something ...

The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes.

If you’re looking to understand the different architectural styles and eras of Istanbul, here are five beautiful mosques to ...

The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes. That’s ...

Two grand canyons on the moon radiating from the Schrödinger impact basin, from a view that looks obliquely across the lunar surface, like an astronaut in an approaching spacecraft. (NASA\SVS ...