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, ...

If forced to choose one descriptor for the octopus, the best word may be "otherworldly." These truly amazing marine animals are known for unique behaviors and traits rarely found in any other creature ...

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 ...

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 ...