WARSAW, Poland (AP) — A respected Polish scientific institute has classified domestic cats as an “invasive alien species,” citing the damage they cause to birds and other wildlife. Some cat lovers ...

A new glass sponge species is so strange that has been given the name named Advhena magnifica, which means "magnificent alien ...

Claims that the Nazca mummies represent a new alien species originate from a self-published paper by a retired paleontologist ...

Back when Alien: Earth premiered on FX and Hulu, all of three weeks ago, IGN’s Clint Gage said in his review of the first two episodes that, “The xenomorph is playing the hits, as it were. But this ...

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 ...