Some insects look more like aliens than they do insects. One example is a grasshopper that is able to survive by not looking ...

The most beloved beings from strange new worlds.

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Researchers have catalogued which alien plants may pose a threat to plants in the Arctic. The post Study warns thousands of ...

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 ...

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 fisherman is making waves after sharing footage of a bizarre, mystery sea ...