They're not really falling from the sky—but the reality is perhaps even more disturbing.

SPIDERS
Whether it’s one creeping around some dark corner of your house or crawling over its web in a field or forest, most spiders we encounter are found on solid ground. Some spiders aren’t entirely earth-bound, though. They’re also also masters of air travel a
First off, they're not even spiders.
'Arachnophobia,' Frank Marshall's skin-crawling cult classic, crept its way into theaters 30 years ago.