The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Electrical energy may also have sparked the beginnings of life on Earth billions of years ago, though with a bit less scenery-chewing than that classic film scene. But where did that organic ...

The origin of life on Earth stands as one of the great mysteries of science. Various answers have been proposed, all of which remain unverified. To find out if we are alone in the galaxy, we will need ...

From 4.6 billion years ago when the Earth was red hot, the timeline illustrates the evolution of the first life forms through to plants photosynthesising, bacterial evolution, marine life ...

Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history, climate ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

Figuring out how helium-3 got incorporated into the core during Earth's formation is very important for understanding when the planet formed, Olson said. Light gases like helium hung around in the ...

We are interested in the latest advances in, and timely syntheses of, research spanning all aspects of Earth and environmental science, incorporating disciplines that fall within, and are related ...

Mother Earth is clearly urging a call to action. Nature is suffering. Oceans filling with plastic and turning more acidic. Extreme heat, wildfires and floods, have affected millions of people.