A rare and mysterious migration is now underway across parts of the American Southwest — and it’s happening right underfoot. Every year from late summer into fall, thousands of male tarantulas leave ...

This video investigates Australian spider species known for hunting in large swarms, a behavior rarely seen among arachnids. It documents how thousands of spiders coordinate movement, webbing, and ...

Tarantula mating season is here — and if you're in the Southwest, you might see hordes of these fist-sized spiders marching across the landscape. From late summer through fall, male tarantulas emerge ...