Some frogs have evolved features so strange that scientists struggle to explain them, and a few look less like amphibians ...

"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 ...

Dr. Hal Puthoff, former Advanced Aerospace Weapon System Applications Program advisor and CIA-funded researcher, made the bombastic claim alongside “Age of Disclosure” director Dan Farrah on Steve ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

Claims of US government knowledge of multiple alien species resurface as former officials allege awareness, but Pentagon reviews find no evidence of extraterrestrial involvement.

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 ...