These animals are the most aggressive in the world. Therefore, they are terrifying enough that you ... Cassowaries are the second largest bird on earth, behind the ostrich. They use their size ...

Click through this gallery to see the most dangerous water-dwellers in the world. The oceans and wetlands are inhabited by some of the most lethal creatures on Earth.

In most cases, their features serve practical purposes, such as defense, camouflage, or communication. Here are 10 of the grumpiest-looking animals on the planet, examining the science and ...

here are the animals that get my vote for “most prehistoric-looking.” They may not be the oldest animals on Earth, but they aren’t recent creations either. Most of all, when you look at them ...

Box jellyfish, mainly found in the Indo-Pacific and northern Australia, are among the most venomous creatures on Earth. Their bell can reach up to 30 cm in diameter, and their long tentacles are ...

While its real name is Ilha da Queimada Grande, it's not hard to see why it has been given its terrifying English ... been ranked among the most dangerous islands on Earth. Its venom causes ...