Burmese pythons are native to Southeast Asia but have become an invasive species in Florida.
A Pennsylvania man was indicted after allegedly illegally importing a species of fish that "can move across land" with the potential to "wipe out the native species that inhabit freshwaters of the United States."
Experts are concerned that the hornets could decimate honeybee hives on the continent.
The python was found curled up by the engine of the Ford Mustang at an auto repair shop.
The record-breaking snake was captured around 35 miles west of Miami.
The hornets represent a significant threat to Western honeybees, which have no innate defence against them.
Feral pig populations are spreading to more states than ever, causing agricultural chaos and damaging local ecosystems.
An absence of predators has allowed the population to thrive in the country's sandy landscapes.
The ticks were spotted for the first time in the United States in 2017.
A wasp found across much of the United States resembles the murder hornet, but isn't generally dangerous to humans. Here's how to tell them apart.
Experts say that if the invasive hornets do become established in the United States, the biggest threat they pose is to honeybees.
Invasive species spread around the globe with the help of human activities, such as global trade and transportation.
Scientists say the algae has "tumbleweed-like" growth and smothers entire reefs.
The caterpillars of Asian gypsy moths can destroy large sections of forest. Sweetgum, apple, popular, oak, willow and linden trees are some of the plants that could be at risk.
The murder hornet sting is initially excruciating, then doesn't get any better, with pain lingering for hours after initial contact with the stinger of an Asian giant hornet.
Scientists in Washington state are working to eradicate the first observations of a hornet species that had never been detected in North America until late last year.
Large herbivores dominated the Earth's land ecosystems for several million years before suffering significant extinctions and declines over the past 100,000 years or so.
"If allowed to spread, crazy worms could cause serious damage to horticultural crops and the forest ecosystem in Maine," the state's Department of Agriculture, Conservation and Forestry said.
The drug lord imported four hippos into the country, which were housed in his private zoo.
Invasive species are now a "huge" issue in national parks and the problem is "far, far worse now" than it was twenty years ago, researchers say.
The discovery could have important implications in the fight against the invasive bagrada stink bug, which has spread across the world.
The northern snakehead, an invasive species that can survive on land, has been discovered in Georgia.
Delaware residents have been encouraged to kill the spotted lanternfly, an invasive species of destructive insect found in the northern part of the state.
Scientists say the invasive species Salsola ryanii may spread even further as a result of climate change.
The reptile was the second largest snake ever removed by a member of the Florida Fish and Wildlife Conservation Commission's Python Action Team, the agency said.
Aquatic invasive species pose a grave and growing threat to the Yellowstone ecosystem.
Presence of lake trout has impacted bald eagles, ospreys and bears, study shows.
With the rise of globalization comes the inevitable rise of the alien ant.