Tsukuba, Japan—Some beetles, such as Anomala albopilosa, strongly reflect left circularly polarized light (electromagnetic waves that oscillate leftward relative to the direction of light reception).

Flip a damp log in your backyard, and a crowd of tiny gray roly-polies usually rushes for cover. These pill bugs may look like insects, but they are actually crustaceans, distant relatives of crabs ...

I love taking selfies with my insect friends. They’re so tiny and look so different from me. But my friend Rich Zack told me that insects and humans have lots in common. He’s an insect scientist at ...