Starry stonewort has become a poster child for invasives. Expensive to control and nearly impossible to eradicate.

What started off as a seedling of an idea to photograph the endangered Sierra Nevada red fox turned into a three-year-long ...

In footage released in June, a Sierra Nevada red fox was seen ambling over a rocky outcrop in a snow-covered Lassen Volcanic National Park in December.

Invasive species harm ecosystems around the world and cost the global economy $423 billion a year, according to a new report backed by the UN. A number of researchers believe that estimate may be ...

Foxes are very adaptable to human environments, Fairfax County wildlife biologist Erin Thady told 70 attendees at a Dec. 6 Zoom talk sponsored by the Friends of Mason Neck State Park.

The insects have been linked to illnesses that can affect both humans and animals. Researchers raise red flags after finding ...