As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

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An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...

Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's ...

Scientists have estimated that Earth’s core may contain the equivalent of between nine and 45 oceans of hydrogen, making it ...

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research that is transforming life on Earth and shaping the future of exploration.

Nearly 170 years ago, a scientist named Eunice Foote discovered a fundamental truth about the gases that surround us. In her home laboratory in New York, she filled one glass cylinder with carbon ...

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