Science has a funny way of humbling certainty. Most of us carry a mental picture of how Earth works that was assembled in school, reinforced by documentaries, and rarely questioned afterward. The ...

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 ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The beginnings of a strange layer of molten rock deep inside the Earth ...