Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. New simulations suggest ...

Deep inside Earth, far below the crust and mantle we learn about in school, two colossal structures loom above the core like buried continents. New research argues these dense, mysterious formations ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an asteroid and eventually concluded it was more like a planet with a crust, mantle ...