Spring break in Los Angeles offers a myriad of activities for families and travelers alike. From exploring iconic landmarks ...

Mesa Mayor Mark Freeman signed a National Wildlife Federations Mayors' Monarch Pledge on Wednesday in an effort to strengthen ...

A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...

Monarch butterfly numbers are up this year, but the rest of the butterfly population is declining rapidly, according to a new ...

Biologists from Texas Parks and Wildlife are warning of some of the consequences people could face if the butterfly ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species that went extinct and disappeared from the San Francisco coastline. Through ...

The authors' demonstration that impaired olfactory perception reduces caterpillar performance and increases susceptibility to parasitism is solid. These findings highlight the ecological significance ...

The victims were found in Phoenix and Mesa, and police say they are all connected to the same shooting.

The monarch was placed on a waitlist until last December, when the agency formally proposed the butterfly's Endangered ...

The French director Alain Guiraudie’s latest film, a bent kind of murder mystery, presents life at its basest and gamiest. By Wesley Morris This gimmicky thriller starring Bill Skarsgard and ...