"Scientists are confident that life exists elsewhere in the universe. Yet rather than taking a realistic approach to what aliens might be like, we imagine that life on other planets is the stuff of ...

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 ...

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 ...