The invasive Joro spider (Trichonephila clavata) is endemic to East Asia. It was first discovered in the U.S. in North ...

Scientists discover sea spiders living off methane-eating bacteria in deep-sea seeps, revealing new species and unique symbiotic survival strategies ...

Asian longhorned tick. The invasive tick looks very similar to a dog tick, Wallace said. "It has a couple of distinguishing marks on it that make it look like it has eyes on the sides," he said.

Asian needle ants, an invasive species with venomous stings, are spreading across the U.S., posing health risks and threatening native ecosystems.

In this symbiotic relationship, bacteria take up real estate on the spider’s exoskeletons, and in return, the microbes convert carbon-rich methane and oxygen into sugars and fats the spiders can eat, ...

The Joro spider, Asian long-horned beetle and spotted lanternfly have company this summer. A "sneaky" invasive species that has a potentially deadly sting continues to spread across the U.S. and ...

Scott Bauer / USDA Two invasive termite species are chewing their way across South Florida—and it turns out they’re breeding with each other in the process.

This before-and-after image from Polaris Vein & Aesthetics shows dramatic improvement three months post-sclerotherapy, a non-invasive treatment for varicose and spider veins. In recognition of ...

20 tons of invasive Burmese pythons have been killed by the Conservancy of Southwest Florida in a 200-square-mile area, but countless more remain, experts say.