Diagram of Earth's core via WikiMedia And even supposing ... In short, about halfway to the center of the Earth you would be moving sideways about 1,500 mph (2400 kmh) faster than the walls ...

His ideas seem laughable today, but the truth is, when it comes to the inner Earth, no one knows anything for sure. Might a massive crystal sit at the center? What about a natural nuclear reactor? Are ...

While the cutaway diagram appears to depict clear-cut divisions, knowledge about the deep interior of Earth is unavoidably fuzzy. It is nearly 4,000 miles to the center of Earth, and it is ...

Griffin in his own essay “Hollow and Habitable Within: Symmes's Theory of Earth's Internal Structure and Polar Geography.” (One of Symmes' few surviving diagrams of his Earth, shown at the top ...

New research sheds light on the Earth's "innermost inner core," offering new insight into the formation of the planet and its magnetic field. From our morning news briefing to a weekly Good News ...

Look at this diagram of the moon on opposite sides ... Finally, for those who still think Earth and humanity are the center of the cosmos, chew on this: If our planet were to suddenly vanish ...

In Jules Verne's classic 1864 novel "Journey to the Center of the Earth," adventurers descend through an Icelandic volcano into a vast underground world populated by prehistoric creatures as they ...

Here's an unusual fact that takes a bit of explaining. The center of the Earth is around two and a half years younger than the surface. About 4.6 billion years ago, a hot cloud of dust orbiting ...