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 ...

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

With over three decades of pioneering research in forest genetics, biodiversity conservation and ecological restoration, Dr ...

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 ...

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

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 ...