The Australian redclaw crayfish, an aggressive crustacean native to northern Australia and Papua New Guinea, has been spotted in South Texas.

Creel and his colleagues have been researching wild dogs and lions in two Zambian national parks for more than a decade.

A first-of-its-kind project seeking to restore river ecosystems along 39 miles of the Lower Mississippi River has federal ...

Not every animal, insect and plant that is in Tennessee should be here. Take a look at some of the most invasive species in the state.

Anticipating a lack of federal funding under the new presidential administration, Illinois has postponed construction in a ...

Biologists in the Rio Grande Valley are concerned about the invasive Australian redclaw crayfish found in Texas, threatening ...

Scientists also declared several other extinctions, including the first documented plant extinction in New Hampshire.

This happened because new rules and institutions — including labor unions, Wall Street regulations, anti-monopoly laws, and higher progressive income taxes — kept economic “predators” (morbidly rich ...

What happens when the biodiversity witnessed by one generation fades into memory the next? These questions are crossroads at ...

A veterinarian and conservation expert spoke about invasive and nonnative organisms during a special live show of "The ...

Are humans the only species to drive another to extinction? Tom Ruppel | Dixon, California ...