Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

We don’t even know how old it is. Luckily, mineral physics is bringing us closer to solving the mystery. The inner core is responsible for Earth’s magnetic field, which acts like a shield ...

Peering down through the layers that make up Earth – the crust, the upper mantle, the lower mantle, and the core – is no easy task. After all, it's not as if there's a cross-section of the planet ...

We don't even know how old it is. Luckily, mineral physics is bringing us closer to solving the mystery. The inner core is responsible for Earth's magnetic field, which acts like a shield ...

This layer, known as the D" layer, is about 1,900 miles underneath the Earth's surface, resting between the liquid outer core and the solid ... layer's origins may have been solved.

Therefore, in addition to the GRAIL seismic data, Briaud and his team measured distances between the Earth and certain lunar areas using the Lunar Laser Ranging (LLR). All of these were employed in ...

There have been proposed hypotheses as to how the Moon could have developed a core dynamo. For instance, a 2022 analysis ...

The near-Earth object may have been ejected to space following an impact thousands of years ago. NASA/JPL-Caltech For a brief, but exciting, time last year, Earth had two moons. A small asteroid ...