Like the black widow, the brown widow spider typically has a stark color scheme and an hourglass-shaped mark -- although it's usually a shade of orange instead of bright red. Other visual ...

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

The most common species of black widow spider in North America is Latrodectus mactans, which is a shiny black color. On its abdomen, which has a bulbous shape, you'll notice bright red or orange ...

The black widow spider can be found on every continent except Antarctica. Its venom is toxic and painful, leaving victims to feel the effects long after the bite. Following is a transcript of the ...

The false widow spiders (Steatoda spp.) form a group of species that, because of their general resemblance to the much more notorious black widow spiders (Latrodectus spp.), can cause concern when ...