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 ...

The ground below us seems so steady and also unvarying; however, the Earth is a chaotic, bustling work of art. It may have diminishing oceans, and its moon may be drifting at a snail's pace, but all ...

The world is full of surprising facts about the Earth and how we interact with it, even when we don’t understand or appreciate what happens around us. We use a bit of science to sort out the millions ...