No one wants to be that guy waxing on about how beautiful the sunset was on vacation—but what if it was a double sunset? One that seemed to wash the world in pinks and purples, turning an imposing ...

ALMA's 66 radio dishes reveal many cosmic secrets that are hidden from human eyes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. High in ...

Licancabur is an active stratovolcano on the border of Chile and Bolivia, known for its near-perfect conical shape and the world’s highest crater lake. The volcano is reflected in the nearby Laguna ...