Have you ever heard of a moth that seems to wear a human skull on its back? The Death's‑head Hawk‑moth is exactly that creature. With a distinctive pale marking on its thorax that resembles a skull, ...

(CNN) — Each year, a tiny species in Australia makes a grueling 620-mile (1,000-kilometer) nighttime migration, and it’s pulling off the feat in a way only humans and migratory birds have been known ...