Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.

Researchers studying the deep biosphere, Earth’s largest ecosystem, have found evidence that life thriving miles below the ...

With an estimated 6 sextillion kilograms of the stuff—that’s 21 zeroes by the way—the Earth’s core is another example of why hydrogen is the most abundant element in the universe.

Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as ...

They're all around us: sensors and satellites, radars and drones. These tools form vast remote sensing networks that collect ...

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

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

A new study analyzes three asteroid and two meteorite samples to see if space rocks smacking into Earth could’ve helped ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

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

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a cosmic ray detector, was designed to measure the radiation environment in Earth ...