Add Yahoo as a preferred source to see more of our stories on Google. Scientists in Germany have used a highly sensitive underground ring laser to track Earth's axial wobble without relying on ...

New geological evidence suggests that the slow wobble of Earth’s axis may have triggered rapid climate swings during the Late Cretaceous greenhouse world.

Earth’s elliptical path around the Sun does more than keep the planet in a stable orbit. Because that path is not a perfect ...

Regular readers of my column certainly know how to use the Big Dipper to find the North Star (aka Polaris). Some folks believe Polaris is important because it’s the brightest star in the heavens, and ...