New experiments suggest that Earth’s core may store vast hidden reserves of life-essential hydrogen.

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

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 ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

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

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

Two new satellite missions will help NASA scientists better understand Earth and improve the ability to foresee environmental ...

Uncertainty in climate models could mean Earth systems are perilously close to their tipping points, scientists warn.

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

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