They're huge and colorful, with bands of yellow and blue. These massive spiders have been making headlines over the past months as they expand their presence in the United States. Now, they've ...

These colorful spiders are so small they could easily sit atop the tip of your pencil eraser, measuring just 1/16 inch to ¼ inch! Until 2011, scientists only knew about seven species of peacock ...

Jumping spiders—one of the largest spider families ... extending and waving their third pair of legs and opening the colorful flap-like extensions on the abdomen. The quantitative description ...