The Amazon sailfin catfish is characterised by a body covered with bony plates and a thick, armoured structure. Native to ...

Erik Irmer has been documenting the spread of invasive plant and animal species that disrupt native ecology across Europe. He focuses on humans’ interactions with these plants and animals. Aliens is p ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A ...

WARSAW, Poland (AP) — A respected Polish scientific institute has classified domestic cats as an “invasive alien species,” citing the damage they cause to birds and other wildlife. Some cat lovers ...

Claims that the Nazca mummies represent a new alien species originate from a self-published paper by a retired paleontologist ...

This ash tree has been attacked by the emerald ash borer. The larvae create long serpentine tracks under the bark. The bark is pock-marked with D-shaped holes where the adults chewed their way out. A ...

All the Latest Game Footage and Images from Alien Animals: Sandbox Unleash your creativity in this block building sandbox game with defense strategy elements! You play as an astronaut armed with a ...