Learn how we know the Earth is round, and the science behind the shape of our gravitational field.

Now, scientists will have better tools. Scientists make stunning discovery using 3D modeling of Earth's interior: 'Advances ...

The seafloor is far thinner than the bulky landmass, and temperature from within Earth is “quenched” by the enormous volume of cold water that’s above it. Think of the gigantic Pacific Ocean compared ...

Scientists reveal one side of Earth’s interior cools faster. The Pacific Ocean hemisphere loses heat quicker, influencing ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Earth’s deep interior still shapes the world above your feet. Water trapped far below the surface helps control how rocks ...

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.