New research shows climate change may push monarch butterflies farther south and make their long migration harder in the ...

Monarch butterflies that hatch in the spring and early summer live fast and die young at only two to six weeks. But those that emerge in late summer can survive six to nine months. That’s long enough ...

Monarch butterflies (Danaus plexippus) are some of the most iconic insects around. But they are uniquely threatened and earlier this month, Mexico’s Commission for National Protected Areas announced ...

One of the most recognizable and widely dispersed insects in North America may soon be headed for protections under the Endangered Species Act. In early December, federal wildlife officials will ...

SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer, vice ...

After passing through the Senate with one no vote, a resolution that encourages the protection of the monarch butterfly ...

Butterflies sit on a pine tree at Monarch Grove Sanctuary in Pacific Grove, Calif. Researchers say that the population of western monarch butterflies is well below what it used to be. One of the most ...