Black widows’ red hourglass tells birds to back ... So he thinks widows evolved a discrete marking instead of becoming red all over, because birds could see it easily but not insects.

Georgia is home to several spider species, and some are venomous. What do they look like? How dangerous are they? What to do ...

Black widows, with distinctive markings and coloration, are often easier to spot than the second species. While this spider species gets its intimidating name from the cannibalistic practice of ...

Black Widow has a venerable history in the comics that is very different from the movies. In the movies, Black Widow was a graduate of the Red Room and wasn’t nearly as old as she is in the comics.