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

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.

New simulations provide mathematical support for the theory that the spread of political ideas across international borders may have ... was able to trigger a "butterfly effect" that eventually ...

Coinciding with drastic measures by the White House to build a wall on the southern border, a federal judge threw out a court challenge by a butterfly-conservation center whose 100-acre facility on ...