Earth’s oxygen-rich atmosphere, the very thing that allows complex life to exist, may not last forever. Coupled ...

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 ...

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.

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

From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...

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