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 ...

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 ...

The Predator, otherwise known as Yautja, is an ancient race of aliens with a complicated origin history. Like their alien opponents, the Xenomorphs, there are a few competing theories to investigate.

"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 ...