SAN FRANCISCO (KGO) -- An intrepid group of butterflies is about to help turn the clock back nearly a century in San Francisco's Presidio. Biologist Durrell Kapan, Ph.D. of the California Academy of ...

Butterflies are common throughout the world; however, there is more to them than meets the eye. From optical illusions in their wings to generation-spanning migrations and caterpillars committing ...

SAN FRANCISCO — More than 80 years ago, a beautiful butterfly called Xerces blue that once fluttered among San Francisco’s coastal dunes went extinct as stately homes, museums and parks ate up its ...

A blue-purple member of the Plectranthus genus grows out in nature. - Sky Sailom Sangdad/Shutterstock Butterflies are more than just sets of pretty patterned wings and an easy at-home science project ...

SAN FRANCISCO (AP) — More than 80 years ago, a beautiful butterfly called Xerces Blue that once fluttered among San Francisco's coastal dunes went extinct as stately homes, museums and parks ate up ...

As we begin the month of July, we find ourselves in an interesting moment in the year. Most of the birds have already had their first round of chicks, and some species may try for another round of ...

The Living Peninsula Mural Project’ was launced with a mural of the Palos Verdes blue butterfly and will expand over the next ...

Jana Johnson coaxes a Palos Verdes blue butterfly onto her finger. "After butterflies came into my life, I completely reinvented myself," she says. (Robert Gauthier / Los Angeles Times) For the record ...

Twice a month, on Thursday mornings, Tad Yankoski listens for a doorbell. A priority package that left Costa Rica three days earlier is due at the Butterfly House in Chesterfield by 10:30 a.m. When it ...

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. From ...

Although there are over 17,500 species of butterflies in the world, only about 4% of them can be found in the US, with the most often sighted being the cabbage white butterfly. Therefore, it’s no ...