Deep within Earth’s core, scientists are uncovering signs of a hidden structure that challenges long-standing models of the planet’s interior.

A layer only a few to a few dozen kilometers thick may be draped across the boundary between Earth’s core and mantle, and ...

So much is made of scientific discoveries in outer space, as we try to broaden our horizons and explore the surface of Mars, but in reality, many of us don’t know much about things right below our ...

One of Earth’s most impressive natural wonders—the Sahara Desert’s mysterious Richat Structure—just made a striking ...