Deep in the Namib Desert, Africa's wildest wilderness, among the many interesting discoveries of the desert lives a remarkable survivor. Known in Afrikaans as "tweeblaarkanniedood" meaning, "two ...

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 ...

The spread of species beyond their native habitat is a human-made environmental change on a global scale. Among vascular plants, over 16,000 species have now permanently settled in foreign countries.

Some insects look more like aliens than they do insects. One example is a grasshopper that is able to survive by not looking like one at all. The Peruvian jumping stick has a unique appearance for a ...