Swedish researchers have presented evidence in Science to support their new theory about the structure of the earth's core. The findings may be of significance for our understanding of the cooling ...

A quirky material that behaves like a mishmash of liquid and solid could be hidden deep in the Earth. Computer simulations described in two studies suggest that the material in Earth’s inner core, ...

Scientists have vaporized the Earth -- if only by simulation, that is mathematically and inside a computer. They weren't just practicing their evil overlord skills. By baking model Earths, they are ...

Iron-rich spherules like the ones shown here can contain chemical clues about the composition of the early Earth’s atmosphere. (UW Photo / Don Brownlee) Today, rising carbon dioxide in the atmosphere ...

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 ...