These results suggest that similar reactions between helium and iron may have occurred within Earth’s core shortly after its formation, trapping much of the primordial helium-3 in the material that ...

The relationship between topography and the terrestrial water cycle has been documented for thousands of years, yet there is ...

The collapse of the Soviet Union greatly reduced the West’s fear of another world war—a fear that had led Western leaders to tolerate Soviet spheres of influence in central and eastern Europe ...

The first layer is the crust, a thin outer shell that extends about 18 miles (30 km) below the planet's surface. The next layer, the mantle, stretches about 1,800 miles (2,900km) below Earth's ...

At the same time, the surface of the newly formed planet was ... to answer the question within the next four years. Driving Earth’s tectonic plate movement and powering its magnetic field ...

When push comes to shove, having a large military force is crucial in determining the outcome of the conflict. To build a ...

Life on Earth extends far beyond the vibrant rainforests and sunlit coral reefs. Deep below the surface, an extraordinary microbial world thrives, challenging previous assumptions about where life ...

A shrinking thermosphere means less drag, which could hinder the natural removal of space debris impacting satellites, as per ...

This system is Earth’s structure, together with the internal workings and surface processes, that determine its evolution and current dynamic state. Our scientists study the Earth, and other planets, ...

25, 2025 — New research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth's surface and paving the way for complex life to flourish. By chemically analyzing ...

On Earth, gravity keeps our pans on the stove, food on our plates, and water falling from the shower head in a straight, uninterrupted line. In space, on the other hand, water not only floats around ...