A study compiled data from more than 76,000 butterfly surveys across the continental U.S. The declines seen in the last 20 ...

The splashy monarch butterfly only lives about five weeks, but its entire survival is in question due to threats posed by ...

Multiple studies suggest butterflies are disappearing- but why, and what can be done? Here are some possible answers, backed by science.

Just a few years ago, the eastern monarch was considered endangered by the International Union for Conservation of Nature ...

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

Butterflies are declining rapidly across the contiguous United States, including in Massachusetts. Research published in the ...

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

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

Data from about 76,000 butterfly surveys conducted by various groups documenting millions of the insects representing 554 ...

Ultimately, the butterfly decline is part of a larger global trend of insect population loss, with insects declining by about 1-2% annually, the study's authors said. Butterflies play an essential ...

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