Happy #Arachtober! Spiders Take Over the Web for Halloween

Photographers and researchers from around the world are teaming up to share spectacular (and sometimes skin-crawling) photos of one of Halloween's most popular mascots: spiders. But even if they're not your favorite animals, spiders do capture the spirit of the season, and these eight-legged beauties happen to be very cooperative models, according to the folks who started Arachtober, the group devoted to sharing spider-themed photos on social media. Arachtober started in 2007 as a friendly excha