Increasingly severe cyclones, grazing by invasive goats, and persistent turmoil in Yemen have threatened the survival of the ...

Although a superpower, the U.S. is under constant invasion — we’re not talking humans here but meek-looking plants and ...

This is exactly what has happened with Papilio solstitius, a tiger swallowtail butterfly newly recognized as a separate ...

A bear family made the most of the California sun recently, with adorable footage showing the mom and cubs playfully enjoying themselves around a South Lake Tahoe property. The lovely scene was ...