NASA revealed that cell-like compartments, known as vesicles, could form naturally in the lakes of Saturn's moon Titan. The lakes on Saturn's largest moon are filled with liquid hydrocarbons like ...

Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird ...

ET looks like green moss. Boffins can claim to have finally found alien life after the plant spent nine months growing on the outside of the International Space Station in orbit 250 miles above Earth.