From 2000 to 2020, the number of butterflies fell by 22% across the continental United States. That’s 1 in 5 butterflies lost. The findings are from an analysis just published in the journal Science ...

This new study uses all available monitoring data—35 programs with records of over 12.6 million butterflies—to provide a clear picture of the state of butterfly species across the continental ...

In his youth, the family divided its time between Tokyo and New York—Kawahara attended schools ... like moths,” he says. Other butterfly species live only at the top of the rainforest canopy ...

Scientists have discovered a new butterfly species in the Canadian Rockies, they report in ZooKeys. The Satyrium curiosolus, or “Curiously Isolated Hairstreak,” lives up to its name.

A new butterfly species, Satyrium curiosolus, was discovered in a recent study at Blakiston Fan in Waterton Lakes National Park, Alberta. It has unique evolutionary history, having likely remained in ...

The outlook for butterflies in the U.S. appears as fragile as their delicate wings. A study published in the journal Science shows that the population of 554 species of butterflies plunged by 22% ...

A Painted Lady butterfly on a tridax daisy in Ivory Coast.Credit...Lucas Foglia Supported by Photographs by Lucas Foglia Text by Aimee Nezhukumatathil Ms. Nezhukumatathil writes poetry and essays ...