He said his most prized butterfly costs $8,000 — which he keeps from sight, concerned about possible theft — and hopes to sell the collection to an individual or research institution. The ...

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path ...

NAIROBI, Kenya: What began as a childhood hobby more than six decades ago has led to what might be Africa’s largest butterfly collection in a suburb of Kenya’s capital. Steve Collins ...

Painted ladies are the ultramarathoners of the butterfly world—even more so than monarchs. Scientists have long known about their globetrotting tendencies, but only recently have their exact ...