Add Yahoo as a preferred source to see more of our stories on Google. A model of Earth showing different layers on the inside One of the strangest mysteries about our Earth is the presence of two ...

When you think about Earth’s water, you probably picture oceans, lakes, or rain. It feels like we can see most of it. But scientists now believe vast amounts may be stored nearly 400 miles below the ...

The first step in gold’s journey does not happen in a mine, a fault, or a hydrothermal vent. It begins far deeper, in mantle ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so vast and unusual that they defy conventional models of planetary evolution.

Deep inside Earth, two massive hot rock structures have been quietly shaping the planet’s magnetic field for millions of years. Using ancient magnetic records and advanced simulations, scientists ...

Gravity may seem constant, but it actually varies across the planet—and one of the strangest places is Antarctica, where gravity is slightly weaker than expected. Scientists have traced this “gravity ...

The rocks didn’t look like much from the outside. Scattered across a remote stretch of western Australia called North Pole Dome, they were ancient, weathered, and largely ignored for the better part ...