In the mountains of western Iran, the spider-tailed horned viper hunts using an extraordinary deceptive tactic. Its tail, ...

If unsure what to do after a spider bite, call the nationwide Poisons Information centre helpline on 13 11 26. For all snakebites and any case of emergency, call triple zero (000).

In the United States, envenomation (the injection of venom) usually happens during an encounter with a snake, spider, or insect. Antivenom (often spelled “antivenin”) is an antibody product that can ...

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 ...