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

US butterfly populations are declining because of insecticides, climate change and habitat loss, with the number of the ...

Researchers across the United States collected data on more than 35 butterfly monitoring programs. It included data from 12.6 ...

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

From 2000 to 2020, the number of butterflies fell by 22% across the continental United States. That's one in five butterflies ...

Butterflies of all kinds of species, in all parts of the country, have declined by one to two percent since 2000.

A Pennsylvania butterfly farmer says listing the monarch as a threatened species could do more harm than good.

In a world where environmental challenges often feel overwhelming, one determined 8-year-old is proving that age is no ...