Spiders are arachnids (as are ticks, mites, and scorpions), not insects. Spiders rarely bite people. When they do, it’s usually in self-defense because they’re being crushed by a human. Usually, their ...

Of the staggering 43,000 venomous spider species worldwide, the Sydney funnel-web stands out for its lethal bite. What makes this Australian species the deadliest in the world is its swift ...

This spider's bite is much feared because its venom is reported to be 15 times stronger than a rattlesnake's. In humans, bites produce muscle aches, nausea, and a paralysis of the diaphragm that ...