These plants and animals are environmental blights for Arizona. The importance of invasive species mitigation and prevention is the focus of National Invasive Species Awareness Week, an observance ...

Wildlife and native species should thrive after the removal of invasive species along the 27 holes, which are now more ...

In Arizona, they can be found in locations ... native fish and a number of bird species, Bergman says. Invasive feral hogs create many predictable expenses such as replacing hay that’s been ...

Around 66 million years ago, a six-mile-wide asteroid hit Earth, triggering the extinction of three-quarters of all living ...

Salt cedar trees, known for their feathery appearance and pink or purple flowers, are causing concern in Southern Arizona. These trees have been identified as a major fuel for the ...

From river-clogging plants to disease-carrying insects, the direct economic cost of invasive species worldwide has averaged about $35 billion a year for decades, researchers said Monday.

The invasive species caused damage in and around San Francisco and Sacramento in the 1990s, but it's never been spotted before in the Pacific Northwest. Even 30 years later, it's still a mystery ...