Forget gas-guzzlin', smoke-belchin' lawnmowers. Th...  ...Andover, Massachusetts has some unwanted guests: invasive species like the European buckthorn tree and the strangli...

7.5 billion ash trees are endangered in the United...  ...e culprit is the well-known emerald ash borer, an invasive Asian beetle that first arrived in Michigan seven...  ...needed to restore the white, green, and black ash species if the current epidemic destroys the currently st...

Invasive Asian carp are populating the Great Lakes and for...  ...are populating the Great Lakes and forcing native species out of their traditional habitats. Scientists are...  ...s to contain the invaders without affecting other species . They've developed an underwater "wall...

The following is reprinted from Uncle Joh...  ...inds himself in a position to save a new sentient species or allow it to be destroyed. Proof that interesti...  ...l-like urban politics, the value systems of alien species , interdimensional spiders, and a rip-roaring fina...

An alien species has been invading Britain for over 100 years, and...

First it was killer bees, then Argentine ants ......  ...oblem.The ants – also known as paratrenicha species near pubens – have so far spread to five co...

A cactus has been found growing in Australia with...  ...pull them out. It is potentially the worst cactus species to spread in Australia since prickly pear in the...  ...ad a heart attack. The Hudson pear cactus is an invasive species

Australian marine biologists conducting a study...  ...lp sargassum weed to mimic the effects of choking invasive weeds and seeing if local weed-eating fish would...  ...ctor Professor Terry Hughes. While herbivorous species like the parrotfish and surgeon fish only nibbled...

Photo: Alex WildArgentine ants are tiny...  ...Alex WildArgentine ants are tiny, but this highly invasive species has nearly wiped out native ants in California (t...