Estonia is seeing the rise of a worrying new pest: The birch sawfly. While this invasive species has been spotted in the country before, it seems to be gaining a firmer foothold now and having a much ...

Add Yahoo as a preferred source to see more of our stories on Google. Arizona's plants and creepy crawlers are always trying to hurt you. Or at least that's how the joke goes, and it certainly does ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A tree-deforming insect infestation is spreading throughout Utah, and ...

Nevada is full of bugs and animals that can hurt you if you're not careful. Though most animals won't hurt humans unless provoked, there's still potential danger people should be aware of when ...

AN OUTBREAK of toxic caterpillars has spread across the country as Brits are warned to stay away. The hazardous insects can ...

Some worry that this active ingredient is toxic. Here’s what we know about its effect on human health. Credit...Eric Helgas for The New York Times Supported by By Isobel Whitcomb Q: Everyone says that ...

Permethrin, a chemical compound that helps control insect and tick infestations, can be applied to clothing and equipment.