Vipers are venomous snakes that belong to the scientific family Viperidae, which includes hundreds of species spread across multiple continents. Known for its potent viper venom, retractable fangs ...

Many species of frog are known to be poisonous, such as the often colourful poison dart frogs. But although incredibly rare, there are species that are venomous too. There are currently only two ...

A new species of venomous snake has been discovered in Australia. What is now known as the Desert Whip Snake, Demansia cyanochasma, was discovered by DNA researcher James Nankivell at The ...

Biologists have discovered a new tarantula species in Cuba that is bigger and hairier than other spiders in its genus. A new study, "A hairy giant among dwarves," published this month in the ...

The most venomous snakes in Arizona include rattlesnakes, sidewinders and coral snakes. Here's where they live and how to tell if a snake is venomous.

Arizona has 30 species of tarantulas and a new one was recently identified in the Chiricahua Mountains. Here's what to know about Aphonopelma jacobii.