Butterflies’ brilliant colors aren’t just from pigments — they come from microscopic wing structures that bend light. Discover the fascinating science behind their iridescent beauty.

The aurora borealis is a breathtaking visual spectacle — but some say it can also be heard. Explore the mystery and science behind the sounds of the northern lights.

In space, no one can hear you voice — but why? Discover the science behind the eerie silence of space and how sound (and radio signals) behave in a vacuum