Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

Earth's inner layers have just got a bit more complicated, with scientists discovering a whole new inner core within the center of the planet. Research released on February 21 in the journal Nature ...

Scientists have long wondered what lies at the very center of the Earth, and the latest research is putting weight behind a theory that our planet has a distinct ball of iron within its metallic core.

Deep within Earth, there lies a mysterious layer called the D" layer. Located roughly 3,000 kilometers down, this zone sits just above the boundary between the planet's molten outer core and its solid ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The distance from the Earth's surface to its center is almost 4,000 miles—but our planet's structure is not uniform and ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Throughout the history of life on Earth, there's been a little-noticed ...