Swedish researchers present in today’s Web edition of the journal Science evidence that their theory about the core of the earth is correct. Among other applications, the findings may be of ...

The Earth was apparently losing water. Ruby Leung, a scientist from the Department of Energy's (DOE) Pacific Northwest National Laboratory (PNNL), and her team were baffled by their results. "We were ...

Google Earth has introduced a web-based flight simulator, allowing users to explore the world from the cockpit for free. Here's how to access and use the feature.

A violent battering of the early Earth by comets and asteroids that went on for 500 millions years was crucial to the evolution of our planet and may have prepared it for life, researchers say. The ...