There are 300 species found in the United States. While they can bite—usually only when they feel threatened—jumping spiders ...

But black widow bites don’t usually do that. The first signs of a black ... including those adorable jumping spiders," Jody Gangloff-Kaufmann, Ph.D., an urban entomologist and coordinator ...

Kim the regal jumping spider has been trained to jump on demand Scientists have trained a spider to jump on demand. The diminutive arachnid, which they nicknamed Kim, can leap six times her body ...