We’ve all got a mental image of the world’s most famous places and moments in history. Usually the same ones that we’ve seen on postcards, travel blogs, and our aunt’s Facebook from that one time she ...

This 2023 astronaut photo shows a series of slowly moving "star dunes" in the Erg Chebbi region of Morocco. Most of these massive structures are likely several centuries old. When you purchase through ...

The Northern Lights, as captured by astronaut Mike Hopkins, aboard the International Space Station, from Oct. 9, 2013. The northern lights are caused by collisions between fast-moving particles ...