Glasswing butterflies may all look alike, but behind their transparent wings hides an evolutionary story full of intrigue.

The United States and Ecuador on Thursday signed a bilateral agreement aimed at strengthening their collaboration against ...

Some butterflies can smell others of the same species, allowing them to identify each other in areas where multiple species all look the same, new research finds.

A large international team has genetically mapped glasswing butterflies found across Central and South America, rewriting the ...