Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground at Earth's natural heat and forces to cook up ammonia for fertilizer. In a ...

Life on Earth extends far beyond the vibrant rainforests and sunlit coral reefs. Deep below the surface, an extraordinary ...

This thermal energy is contained in the rock and fluids beneath Earth’s crust. It can be found from shallow ground to several miles below the surface, and even farther down to the extremely hot ...

These systems respond to the planetary energy balance and also interact with one another ... of which approximately 49% is absorbed by the Earth's surface, and 20% is absorbed by the atmosphere ...

The sun, a searing hot sphere of gas primarily composed of hydrogen and helium, boasts surface and outer atmospheric ...

Researchers cooked up a new recipe—without any energy input or CO2 emission ... to a water-rock chemical reaction beneath the Earth’s surface. “It was an ‘aha’ moment,” says senior ...