The news might come as a surprise to New Englanders, who didn't think this local spider's bite had any effect on humans.
One is surprisingly large. The other is tiny. Both are extremely venomous.
Toothy barbs are perfectly suited for piercing the skeletons of prey and delivering a kiss of venom, a new study finds.
Whether hobo spider bites are toxic to people has been a matter of debate, but a new study suggests the spider's venom may be less harmful thought.
Snakes are pretty incredible animals, the poisonous ones even more so. Trace explains how snakes evolved to become venomous, and why they must keep evolving this tool to keep their deadly reputation.
Fiercely carnivorous mice that attack and kill deadly scorpions feel no pain from their prey's sting, and new research reveals why.
What's driven vipers to evolve a deadly venom? A need to defend themselves against opossums.
Snakes have a viscous way of using their venom.