Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

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

More than 2500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway ...

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 ...