An injured monarch butterfly has been given a second chance to fly after a rare wing transplant using donor wings from a dead ...

Pacific Grove is known as ‘Butterfly Town USA’ for its role as an overwintering spot. As the insect’s population plummets, residents are coming to its rescue ...

While I suspect the majority of people here in Texas have seen a monarch butterfly, most probably don’t know that they make ...

While I suspect the majority of people here in Texas have seen a monarch butterfly, most probably don’t know that they make ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

It's the size of a 10-cent piece and matures under the guard of protective ants, but the purple copper butterfly needs more ...

Higher temperatures may make monarch butterflies more vulnerable to parasites, according to new research from the University ...

A record number of one of the UK's rarest butterflies has been found at a nature site. More than double the number of silk ...

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

Despite the high stakes, the tiny caterpillar in the lab in Albuquerque, N.M., was not given a name. It’s the last known ...

Volunteers mark locations where residents have been detained by federal agents in an effort to raise awareness about the ...