Lead is at the center of one of Earth’s strangest mysteries. A big chunk of it is gone. Not just misplaced, but missing in a ...

The solid inner core at the center of the Earth, surrounded by the outer core, mantle and crust. Here’s why: While it is well known that a material must be at or below its freezing temperature to be ...

Earth formed within such a precise “Goldilocks zone” for oxygen that a 5% change would have prevented life from emerging.

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests Earth’s continents didn’t begin growing until hundreds of millions of years ...

A team of researchers have been analyzing ancient rocks found in Australia that suggest that the Earth formed in far ...