Mark Williams was out with his butterfly net in his favorite South African mountain range when a flutter of gray-blue wings sailed by. They were almost as small and nondescript as the other gray-blue ...

Female monarch butterflies have no trouble finding a mate – even when a parasite kills most of the males, new research shows. Some females carry a parasite called Spiroplasma that kills all their male ...

Female butterflies make smart investments, finds a new study. What do CPUs, stockbrokers, and butterflies have in common? They are good at investing their resources in the right place at the right ...

The Appalachian tiger swallowtail butterfly is a rare breed: Some 100,000 years ago, two different species mated and their hybrid offspring gave rise to the Appalachian species, researchers have found ...

PORTLAND, Ore. — Conservationists have successfully bred the extremely rare Oregon silverspot butterfly in captivity, a potential breakthrough for saving a species that once was found in coastal ...

Researchers have created a hybrid butterfly whose genes and color are blends of two other species. New species typically arise from the branching of one species into two, but in Thursday's issue of ...

Summer begins with the appearance of the butterflies. The weather warms and suddenly there they are, swirling past on their way to court, mate and frolic. For the most enraptured gardeners, the ...

Some fads are harmless fun while others do serious damage. Butterfly releases at funerals and weddings wreak ecological havoc and need to stop. The Pete Moore Hospice House engages in a yearly June ...

The U.S. Fish and Wildlife Service is proposing protections for monarch butterflies as future generations of children are at risk of never seeing one of the vivid orange and black creatures in the ...

The leader of the net-toting group is Mark Williams, who has traveled widely, fending off baboons and dodging hippos and snakes, in search of his obsession. ark Williams was out with his butterfly net ...