Science has a funny way of humbling certainty. Most of us carry a mental picture of how Earth works that was assembled in school, reinforced by documentaries, and rarely questioned afterward. The ...

Most people carry a fairly comfortable picture of the planet they live on: solid ground underfoot, north is north, and everything more or less stays in its place. That picture, it turns out, is ...

Add Yahoo as a preferred source to see more of our stories on Google. Every year as winter turns into spring, I'm awed by all the changes in the natural world: the grass becoming greener, the trees ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known ...

We have lots of recent evidence to suggest Earth is weird—really weird. Our planet, for example, mysteriously pulsates every 26 seconds, has a secret hidden layer, is rapidly getting colder (but only ...

Use left and right arrow keys to seek audio. For the entire duration of human existence, we have been trying to make sense of the planet we have been living on, called Earth. Humans have come quite ...