Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

Learn where meteor showers come from, when to watch them, and tips from an expert on the best ways to observe these natural ...

New evidence from Martian valley networks confirms a gradual climate shift from warm and wet during the Noachian period, ...

What if we found the way to drain all the Earth’s oceans through some mysterious portal at the bottom of the Mariana Trench?