The Trump administration said Tuesday that it is reconsidering adding protections to the monarch butterfly as a threatened ...

The Trump administration is reopening public comment on a proposed rule that would list the monarch butterfly as threatened ...

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

A recent study combining data from more than 76,000 surveys from 35 monitoring programs across the country found butterfly ...

The U.S. Fish and Wildlife Service announced on Tuesday the agency is reopening the public comment period for a proposed rule to list the monarch butterfly ...

A new study finds butterfly populations in the US have dropped 22% since 2000 due to pesticides, habitat loss, and climate ...

Butterflies are vanishing nationwide due to habitat loss, climate change and use of insecticides, according to a new study, ...

Butterfly populations have dropped by 22% in the United States, according to a new study published Thursday in the journal ...

The USDA said current pesticide regulations are adequate to protect monarch butterflies, commenting on a proposal to list the king of butterflies as a threatened species. In a letter to […] ...

The Butterfly Pavilion was awarded almost $20,000 from the Association of Zoos and Aquariums, which will be used to add ...

A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...

The population of the eastern monarch butterflies in Mexico doubled this past winter season, according to a WWF survey.