The difference with the cousins is black widow spider bites are painful and sometimes lethal to people, but bits from brown widow spiders are rarely harmful.

Black widows are vanishing from certain regions of the U.S. Scientists found that a competitor, the brown widow, may largely be to blame for the iconic arachnid's decline.

Perhaps the most feared spider in North America, the black widow spider is famous for its potentially deadly bite. But how ...

But although black widow spiders have fearsome reputation, they do not aggressively target humans. "Black widows, like all spiders, do not deliberately bite humans.

Black widow spiders are part of a broad genus found in North America and are poisonous. Here's where you're most likely to find them in your home.

Black widow spiders, distinguished by their shiny black bodies and red hourglass markings, are one of the most venomous spiders in North America. However, their bite is rarely fatal to humans.

Black widow spiders are no stranger to Colorado, but does it seem like there are always more around this time of year? The weather gets cooler and temperatures start dropping below freezing, so it ...

Black widow spiders are among the world’s most venomous spiders, with a toxin that attacks the nervous system. While their bites can be treated with an antidote derived from other animals, a ...

Only two types of spiders in north-central Texas and southwestern Oklahoma have powerful enough venom to be of medical importance. These are the Black Widow and Brown Recluse spiders.

Scientists have observed brown widow spiders increasingly displacing black widows. A new study shows the rivalry up close.

This will get your spidey sense tingling: There’s a type of spider that looks like a black widow—but packs a much less potent bite. False widow spiders resemble their infamous cousins, black ...

Few spiders in the North Texas area are of medical concern, but black widows and brown recluse spiders can be dangerous.