CHESTERFIELD, Mo. — A lowly hissing cockroach at the Sophia M. Sachs Butterfly House in Chesterfield is causing a stir in the global scientific community. Invertebrate Keeper Nicole Pruess found one ...

Out of the 136 species of butterflies’ populations studied, not a single one increased over the past 3 decades.

Monarch butterfly numbers are flying higher, but they still have many miles to go. According to a pair of 2025-2026 reports ...

We expect butterflies to be both beautiful and symmetrical; however, some are not. Gynandromorphism is estimated to occur in about one in 10,000 butterflies. As you can see in this Instagram post, the ...

The great Mormon butterfly is one in every 10,000 butterflies who is half male and half female. Scientists explained this ...

A daring surgical procedure has given a doomed monarch butterfly a new lease of life. The delicate operation was captured on ...

(CNN) — The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago. During the age of ...

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In a world first, scientists have discovered that painted lady butterflies (Vanessa cardui) have used favorable winds and a strategy of active flying and autopilot to fly across the world without ...

As the colorful wings of butterflies flickered through a bright blue sky at the Catherine Violet Hubbard Animal Sanctuary in Newtown, Jenny Hubbard fondly recalled her favorite memories from the six ...