From a jellyfish that cheats death to a tiny indestructible animal that can survive the vacuum of space, Earth is home to some creatures so biologically bizarre they seem like they shouldn't belong he ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

When most people imagine a bird, they picture an animal with feathers, wings, and a beak perched on a tree branch. However, ...

Biological invasions occur when organisms such as animals and plants are introduced by people to regions of the world where they do not naturally occur. In these new locations, these organisms are ...

Alien plants and animals cost Europe over $1.5 trillion in the last six decades, according to a new study, indicating the global economic impact of such species could be several times higher than ...