Amaze Lab. Yet Another Layer! Geophysicists Discover New Layer in Earth’s Composition. Posted: February 26, 2025 | Last updated: March 19, 2025 ...

In 1970, Russian geologists drilled a nine-inch wide hole into the Kola Peninsula’s Baltic Shield — a part of Earth’s crust with rock well over a billion years old — and began digging as deep as they ...

To download a pdf of this article, visit cenm.ag/earth-composition. References used to create this graphic: American Museum of Natural History. "Inge Lehmann: Discoverer of the Earth’s Inner ...

The beginnings of a strange layer of molten rock deep inside the Earth may have finally been figured out by geoscientists. This layer, known as the D" layer, is about 1,900 miles underneath the ...

The Earth is made up of a total of 7 layers which are- crust, lithosphere (crust and uppermost mantle), ... While the upper mantle is similar in composition to the crust, ...

The fourth layer of Earth's atmosphere is the thermosphere. It begins just above the mesosphere and extends to approximately 372 miles (600 km) high, according to NASA.

Scientists have long wondered what lies at the center of the Earth. New research is putting weight behind a theory that our home planet has a distinct ball of iron within its metallic core.

For example, the tropopause exists between the troposphere, the layer that kisses the Earth, and the stratosphere, the next layer up. If you are an airline traveler, ...

When the Hunga Tonga-Hunga Ha’apai volcano erupted underwater in January, it created a plume of ash and water that broke through the third layer of Earth’s atmosphere.