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 ...

A self-published paper by retired paleontologist Clifford Miles claimed that Nazca mummies from Peru represented a new family, genus, and species that did not evolve on Earth. A peer review by Kenneth ...

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 ...

Invasive alien species like lantana camara, prosopis juliflora and water hyacinth have caused mass degradation of native ...