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 ...

About 500 million years ago, not a single creature had a skull. Over time, these bony plates evolved into the structural marvels that vertebrates—animals with spinal cords, aka you, me, and your pug, ...

The idea of isolation is prevalent through the Alien series. In space, no one can hear you scream, often because there’s nobody left to hear you scream. That theme also extends to the idea of what ...

Science fiction is full of alien species, but some are built with a level of detail that goes far beyond the norm. In this video, we explore one of the most fully realized alien concepts in the genre.

Introduction -- Form vs function : what is common across worlds? -- What are animals and what are aliens? -- Movement - scuttling and gliding across space -- Communication channels -- Intelligence ...

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 ...

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps ...