(CNN) — Challenging times are ahead for smaller, lighter-colored butterflies as Earth’s climate continues to warm, a new study has found. Unlike their relatives with larger wings and darker colors, ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Challenging times are ahead for smaller, ...

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 ...

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. Although it looks ...

Did you know that South Carolina has its very own state butterfly? The Eastern Tiger Swallowtail (Papilio glaucus) was designated as the official butterfly of the Palmetto State by Act Number 319 in ...

Some butterflies embark on a long journey to escape winter’s cold if they can’t survive it. Monarchs ( Danaus plexippus) are ...

Delias sambawana, a butterfly that hails from Indonesia, at the Florida Museum of Natural History. Florida Museum photo by Kristen Grace and phylogeny by Hillis, Zwickl, and Gutell When Akito Kawahara ...

Researchers have shown that an Amazonian butterfly is a hybrid species, formed by two other species breeding together almost 200,000 years ago. Researchers have shown that an Amazonian butterfly is a ...