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, ...

After a two week expedition off the coast of Brazil, an international team of researchers discovered 31 new marine species, ...

I recently read a fascinating book by Cambridge University zoologist Dr. Arik Kershenbaum called The Zoologist's Guide to the Galaxy: What Animals on Earth Reveal About Aliens—and Ourselves. I totally ...

The Xenomorphs are arguably the greatest movie monsters of all time; a petrifying bundle of invasive parasites, weaponized jaws, and dangerously acidic blood. When director Ridley Scott teamed up with ...

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

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 ...

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 ...

"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 ...