What Is a Black Widow Spider? The black widow is a medium-sized spider about a half-inch long. Three species are common to the United States: The black widow spider produces a venom that affects ...

Pandora Dewan is a Senior Science Reporter at Newsweek based in London, UK. Her focus is reporting on science, health and technology. Pandora joined Newsweek in 2022 and previously worked as the ...

In the spider world, even predators are hunted. Biologists in regions of the Southern U.S. noticed that the iconic black widow spider — known for its telltale hourglass mark and venomous bite ...