Invasive plant species like stinknet, tamarisk, buffelgrass and fountain grass have spread rapidly through Arizona and are difficult to control. Quagga mussels have invaded much of the lower ...

"There’s a lot of people that want to get involved." Local retiree becomes unsung hero after taking on crucial task in ...

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

It also brings the dreaded quagga mussel. The destructive aquatic invasive species infest lakes and reservoirs, typically ...

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 ...

Salt cedar trees, known for their feathery appearance and pink or purple flowers, are causing concern in Southern Arizona.

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

Don Pike in the Tonto National Forest in Arizona. Credit ... Mr. Pike is at war with buffel grass and fountain grass, two invasive species that are spreading in the Sonoran desert, choking ...

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 FWS said the invasive fish have also been reported or stocked in Arizona, California ... eggs or hybrids of the species across state lines without proper permitting. Officials say if you ...

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 ...