While the ecological factors behind this shift are well-studied, the genetic mechanisms remain unclear. Tian’s childhood fascination with butterflies, inspired by their beauty as he watched them rest ...

Female cabbage white butterflies house "teeth" within their reproductive organs that they use to break down males' sturdy ejaculate. “[T]he indigestible outer envelope of the spermatophore delays ...

“It’s very much a race against time,” he says. That’s because the approximately 200 blue morpho butterflies inside are in their chrysalis stage and only a couple of days from emerging. In the meantime ...