Invasive species have caused some of the most rapid wildlife losses recorded in modern ecological history. When animals are introduced into environments where native species lack defenses against them ...

Add Yahoo as a preferred source to see more of our stories on Google. A black widow spider, a venomous species now common in the American West, wrapping up its prey. Smith Collection/Gado/Getty Images ...

From a beautiful fish that’s eating the Caribbean to a tiny bivalve with a huge impact, North America’s most notorious introduced species have reshaped the continent’s ecosystems Benjamin Hack A ...

Quick Take Native species evolved naturally in a region; non-native species exist in any given area due to human activity.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. “By definition, invasive species are harmful in some regard ...

More than 40% of extant large freshwater animals (megafauna), including carp, salmonids, crocodilians, turtles, beavers, and ...

In a new study, researchers used more than 5 million measurements from individual trees across much of eastern North America and showed the rate at which introduced species are spreading has increased ...

University of Ottawa provides funding as a founding partner of The Conversation CA-FR. University of Ottawa provides funding as a member of The Conversation CA. Stated plainly, the vast majority of ...

If you thought that pesky honeysuckle growing behind the garage or the neighbor’s tree of heaven seeding into your veggie patch was an annoying problem, you’re not alone. Across the globe, the problem ...

Climate change is already having a profound impact on cities, as global urbanization pushes more and more people to live in them. The animals who cohabitate with human, whether we appreciate their ...

In the largest study of its kind, researchers at the Florida Museum of Natural History have used data from a 120-year-old program managed by the U.S. Department of Agriculture to quantify the effects ...