Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Since their formation billions of years ago, the oldest parts of Earth's continental rocks have generated natural hydrogen in ...

More information: Natural hydrogen resource accumulation in the continental crust, Nature Reviews Earth & Environment (2025). DOI: 10.1038/s43017-025-00670-1 Journal information: Nature Reviews ...

Unravelling Earth’s 4.5-billion-year history with rocks is tricky business. Case in point: the discovery of an ancient meteorite impact crater was recently reported in the remote Pilbara region of ...

Every breath we take in contains 21% oxygen, the gas that makes life on Earth possible. Oxygen, in its combined oxide state, has always been abundant in Earth's crust, but elemental diatomic ...

Related: Earth's Crust Is Dripping Under Midwest US, Scientists Discover. ... Archaeologists Made a Real-Life ‘Indiana Jones’ Discovery at a True Wonder of the World. Popular Mechanics.

Earth is about 4.5 billion years old, and as the eons passed, the crust of the young planet experienced turbulence. Asteroid collisions shattered some parts, which melted and recrystallized, while ...