It's about that time of year for Oklahomans to spot monarch butterflies, the orange-and-black-winged insect known for their twice-yearly migrations across the continent as they pass through the state ...

With vigorous debate surrounding the health of the monarch butterfly, new research may have answered the biggest question plaguing butterfly researchers. Why are the wintering populations declining ...

With vigorous debate surrounding the health of the monarch butterfly, new research from the University of Georgia may have answered the biggest question plaguing butterfly researchers. Why are the ...

The 138,000-acre monarch reserve spans Michoacán and the State of Mexico and is a World Heritage site, one of the country’s four natural assets inscribed on the list. Throughout the season (October to ...

Every year, for millions of years, a huge number of painted lady butterflies have migrated thousands of miles across Europe, the Middle East and Africa. Though they've been a common sight throughout ...