Butterflies are traveling across the Atlantic from West Africa. It's one of the longest insect journeys ever recorded. STEVE INSKEEP, HOST: These are painted lady butterflies. Gerard Talavera came ...

Most of us learned about butterfly metamorphosis as a kid — a wriggly caterpillar molts its skin to form a tough chrysalis and emerges as a beautiful butterfly. But how exactly do chrysalises stay ...

Butterflies sit on a pine tree at Monarch Grove Sanctuary in Pacific Grove, Calif. Researchers say that the population of western monarch butterflies is well below what it used to be. One of the most ...

These brilliant orange pollinators are making their way north and already have been spotted in the Midwest. After wintering over in Mexico, monarch butterflies are migrating to their northern breeding ...

Painted lady butterflies are flying more than 2,600 miles over the Atlantic Ocean without stopping, one of the longest recorded journeys ever taken by a flying insect. These are painted lady ...