Snakehead fish are considered invasive in many regions outside their native habitat. Their aggressive behavior and rapid reproduction threaten local ecosystems. They are capable predators that disrupt ...

With each passing year, species across the United States face an uncertain future. As habitats continue to be destroyed, ...

Lionfish are one of the most destructive invasive species. Experts believe eating them is the only way to stop their spread.

A tiny, threatened marsupial not known to have inhabited South Australia's Yorke Peninsula may exist as a relict population and still be clinging to survival, according to new research that has ...

The Winnemem Wintu, Shingle Springs Band of Miwok Indians and other groups oppose plans to build the Delta tunnel ...