Cal Academy of Sciences and The Presidio join conservation efforts to bring blue butterflies back to San Francisco coast. Genetic sequencing links Silvery blue butterflies to extinct Xerces blue.

Vacationers flock to Aruba for its spectacular beaches, but a visit to a shady farm with hundreds of colorful butterflies can ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct ... wild population of Miami blues — but from which all known butterflies once ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct ... wild population of Miami blues — but from which all known butterflies once ...