Purple Butterfly opens with a burst of train-engine steam on a cloudy morning, establishing what the movie is largely about: trains and rain. Purple Butterfly takes place in Manchuria in the late '20s ...

For most forms of life, coloration is synonymous with the presence of a pigment that absorbs some wavelengths and reflects others. But butterflies and birds are different. Their wings and features ...

A "conservation success story" has seen a British butterfly species coaxed in to a new county. The purple emperor is a relatively common sight in the south of England but until last summer was ...

One of Britain's largest butterflies has been seen in Derbyshire for the first time since records began nearly 200 years ago. A scheme to plant hundreds of goat willow trees was launched last year, in ...

An elusive species of butterfly, which is the second largest in the UK, has been sighted at a National Trust estate. The purple emperor, with a wingspan of around 8cm, was sighted at Sheringham Park ...