Poison ivy – its scientific name is Toxicodendron radicans – and its close relatives poison oak and poison sumac contain an ...

When it comes to danger in the natural world, size does not matter. Some of the most dangerous and deadly creatures are tiny, capable of delivering fatal blows despite having bodies smaller than a ...

Red imported fire ants rank among the world’s most invasive and destructive species. In America, they cause $8.75 billion in ...

Here's how entomologist Jane Waters says invasive Asian needle ant stings stack up against bee and wasp stings and mosquito ...

"100% on the record this is not a needle ant," Providence College entomologist Jane Waters said of an ant that stung a Bridgewater man.

In two studies of mice, a molecule called leukotriene helped trigger food-induced anaphylaxis. A drug approved for asthma — zileuton — diminished it.

Enjoying the outdoors carries the danger of running into nature's less-friendly side: toxic plants and animals.

While most cases of bug bites can be managed at home, some symptoms are more serious and should prompt patients to seek ...

Sometimes, curious dogs may catch and eat a wasp or hornet whole! If this happens and your dog seems fine, showing no ...

A popular Bay Area park is warning visitors to take caution after reporting a “higher-than-normal population” of wasps swarming the area.

Arizona tarantulas are on the move, migrating in search of mates. What to know about tarantula mating season and where to see the hairy spiders.