Add Yahoo as a preferred source to see more of our stories on Google. An artist's depiction of an asteroid hitting Earth. In recent research published by myself and my colleague Tony Yeates in the ...

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.

For generations, scientists have probed the structure and composition of the planet using seismic wave studies. This consists of measuring shock waves caused by earthquakes as they penetrate and pass ...

ORACLE, Ariz. — Plopped in the Sonoran Desert, just outside Tucson, Ariz., sits a massive, multilevel greenhouse that's probably best known as the inspiration for a Pauly Shore movie. A slick, stepped ...

Researchers have recreated the tumultuous beginnings of Earth, simulating what the planet was like just after its formation 4.5 billion years ago. The results, derived from a new computer model, ...

The Earth has a shell-like structure. It is divided into a core (inner and outer core), a mantle (lower and upper mantle, separated by a transition zone), and the earth's crust. You are free to share ...

New research provides clear evidence of a human 'fingerprint' on climate change and shows that specific signals from human activities have altered the temperature structure of Earth's atmosphere. New ...