I’m a believer in connecting the dots, even if they are years apart. Two dots struck me this week, essays that argue for deep observation. One, written in the early 1870s, sounds eerily like another, ...

A normal pond turns into a tropical paradise as stunning aquarium fish are caught and introduced one by one. Each catch glimmers with wild color and energy, transforming calm water into a living work ...

From spots to stripes to dazzling colors, these fish have captured our hearts with their good looks. These five made our list of the prettiest fish in fresh water. / Ken Baldwin If you asked people ...

In the middle of the Atlantic Ocean, hundreds of feet underwater, the Greek goddess of love lives on—in the form of a dazzling reef fish. “This one is without a doubt the most spectacularly colored ...

Species are fizzling out of existence at a rate faster than any other time in human history—and no one is more aware of that fact than National Geographic photographer Joel Sartore. After 13 years of ...