As the cooler temperatures continue to take hold of Siouxland, monarch butterflies will soon start their journey down south. But before they do, one organization is trying to tag them.

Every fall, a generation of monarch butterflies embarks on a journey spanning thousands of miles to a place they have never ...

Find out when monarchs will pass through your area, where to watch and how to improve your chances of witnessing their ...

Monarch butterflies are at the beginning of an incredibly long migration south to overwinter. Here's where you could see them.

Think of a monarch butterfly, and a distinctive image pops up: black-and-orange wings, with a sprinkling of white spots around the black edges. Those white spots may actually help monarchs complete ...

THIS STORY ORIGINALLY appeared on WIRED Italia and has been translated from Italian. The dozen butterflies were flying gracefully over a beach in French Guiana when Gerard Talavera spotted them. It ...

Arizona's most colorful insects are butterflies. The ultimate guide, from when they're most active and why they seem to ...

Scientists have long wondered how butterflies fly -- compared with other flying animals, the creatures have unusually short, broad and large wings relative to their body size. Now, experts have found ...

Butterflies' flight trajectories often appear random or chaotic, and compared with other hovering insects, their bodies follow seemingly mysterious, jagged, jerking motions. These unique hovering ...