These spiders have super leg-spans and cunning attitudes to match their size.
Known as the South American Goliath birdeater (Theraphosa blondi), the colossal arachnid is the world's largest spider.
Spiders get a personality boost from hanging out with the same group day in and day out, new research finds.
A study of thousands of blacklegged ticks showed that the tiny arachnids would more often than expected deliver two diseases at once.
It turns out there is a lot more to spider webs than just their super-strong mechanical properties.
Toothy barbs are perfectly suited for piercing the skeletons of prey and delivering a kiss of venom, a new study finds.
Living harvestmen, more commonly called daddy longlegs, have one pair of eyes. But that wasn't the case 304 million years ago.
With a leg span of 8 inches, even scientists studying the creature are a bit freaked out by its size.
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