For any gardener interested in how to attract butterflies to their outside space this year, planting a butterfly border is ...

The number of butterflies in the contiguous United States declined by 22 percent this century, a collapse with potentially ...

A nonprofit whose south Texas butterfly preserve stands in the way of a planned border wall called for a federal judge Monday to hinge construction on the results of an environmental assessment.

A 1-inch butterfly that can only be found beside hot springs near the Nevada-Oregon border will soon be awarded federal protections under the Endangered Species Act, the law meant to protect ...

The compounding effects ... This tiny, almost weightless, butterfly can travel thousands of kilometers across natural and human-made borders with ease. It can survive harsh weather during its long ...