Reality television star turned entrepreneur, Kim Kardashian's property portfolio paints a pretty impressive picture.

Ice cores from Antarctica reveal "snapshots" from 6 million years of Earth's climatic history. Antarctica is far more than just a bucket-list destination for travelers and a home for penguins. It's a ...

As the world neared the end of the dinosaur age, one creature claimed the heavens, Quetzalcoatlus, the ultimate aerial predator. With wings stretching over 30 feet, it hunted across river deltas ...