Experts say the number of monarch butterflies at wintering areas in Mexico dropped by 59% this year to the second lowest level since record keeping began.

Researchers say the number of western monarch butterflies overwintering in California dropped by 30% last year, likely due to how wet it was.

The Biden administration plans changes in federal regulations to encourage voluntary conservation projects on private land, partly by shielding owners from punishment if their actions kill or harm small numbers of imperiled species.

Celebrate the things that fly around us with kid-friendly activities at Matthaei Botanical Gardens.

Monarch butterflies join giant pandas, tigers, blue whales, sea otters, snow leopards, and Asian elephants on the endangered species list.

Monarch butterflies are now listed as endangered because of fast dwindling populations in North America.