If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...

Right now, wherever you are, you are spinning with our planet at hundreds of meters per second. But what if our planet started hitting the brakes until our world didn’t spin at all? Why would it be ...

Imagine a planet much like Earth, except instead of green trees dotting its swaths of land, two species of flowers—black daisies and white daisies—are the dominant plant life. The flowers are ...