Earth's innermost layer is called the core ... Marilyn Perkins is the content manager at Live Science. She is a science writer and illustrator based in Los Angeles, California.

Scientists now know how to drill deep enough to tap into an energy supply that would power the world for more than 20 million years if we capture just 0.1 percent of it.

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

The substance can contain up to 1.5 percent water, and if the ringwoodite under the surface has just one percent water in its ...