This Creepy Invasive Plant Is Wreaking Havoc In North America

The Giant hogweed, a long-stemmed plant originally from Central Asia, is currently spreading like wildfire around certain parts of the United States and Canada. Not only is it drowning out the local flora, it's also a noxious weed that, when touched, can cause blisters, long-lasting scars — and even blindness. » 7/17/14 4:40pm 7/17/14 4:40pm

Invasive 'crazy ants' are nastier and far tougher than we imagined

There's an arms race going on right now between two species of invading ants, the tawny crazy ant and the fire ant. These arch-rivals are currently warring for dominance in the southern U.S., but it now appears the crazies are going to win — the result of a remarkable chemical defensive measure. » 2/13/14 11:20am 2/13/14 11:20am

Is New York about to be invaded by ice-loving cockroaches?

Last year, workers in New York City's High Line park found some unusual-looking cockroaches they'd never seen before. And now, two biologists have identified the bugs as a species from Japan, pictured here (male on the left, female on the right) which can survive in icy weather that kills typical American roaches. New… » 12/09/13 10:46am 12/09/13 10:46am

U.S. To Drop Toxic Mice On Guam's Invasive Snakes

Last September we told you about how snakes are turning Guam into a spider-infested horror show. The island's brown tree snake population has reached epic proportions and is now threatening Guam's native bird species, along with neighboring islands. But where the U.S. government dropped shells on the island back in… » 2/22/13 11:20am 2/22/13 11:20am

The Massive Project to Wipe Out 180 Million Galapagos Island Rats

Back in the 17th century, Norway and black rats were introduced to the Galapagos Islands by whalers and buccaneers. Since that time they have become an absolute menace, by feasting on the eggs and hatchlings of the islands' native species. But now, in a $1.8 million project to preserve this precious ecosystem, the… » 11/15/12 10:59am 11/15/12 10:59am