Ultraviolet perception is incredibly common in animals—just not in humans. Ed Yong dives into the history of how scientists saw the light. The following is an excerpt from An Immense World: How Animal ...

While you may think of UV lighting as useful primarily for making blacklight posters glow, it does have some practical ...

Scorpions are creepy and they're kooky, mysterious and spooky, and come with an evolutionary ooky — that is, the ability to glow under UV (ultraviolet) light. For decades, the reason why scorpions ...

It's always important to protect yourself from UV radiation to avoid getting burned and damaging your skin. One way to plan for your safety outside is by checking the UV index. (Photo Credit: E+/Getty ...