and swimming pools—all built deep beneath the earth. Some bunkers are built from repurposed missile silos or military ...

The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.

Engineered by Boeing, this "bunker buster" bomb has been specifically designed to penetrate deep into earth and concrete before detonating, making it ideal for destroying fortified bunkers and ...

Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet.

"It is incredible because we can uncover relics of another planet - Theia - if we dig deep enough in Earth's mantle," added planetary scientist and study co-author Hongping Deng of the Chinese ...

multiple unsubstantiated hollow Earth theories were alive and well, speculating about what might exist deep beneath our feet. That’s because, by many measures, we know less about Earth’s interior than ...