6 of the scariest spiders in existence

These 8-legged critters can cause serious harm

Photo collage of a black widow spider
(Image credit: Illustration by Julia Wytrazek / Getty Images)

There are close to 50,000 known species of spiders, with another 50,000 estimated to be undiscovered. While the creepy arachnids can be frightening to look at, many are harmless to humans. However, there are some that have the ability to cause nasty bites — and in some cases, be deadly. Here are six of the scariest spiders to look out for and steer clear of.

1. Yellow sac spiders

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Devika Rao, The Week US

 Devika Rao has worked as a staff writer at The Week since 2022, covering science, the environment, climate and business. She previously worked as a policy associate for a nonprofit organization advocating for environmental action from a business perspective.