Hydrogen can be used in chemicals and as a green fuel. Vast underground stores could help make it an economical option.

With simple molecular tweaking, researchers have converted a common chemical ... energy density, researchers seek to replace the vanadium-based aqueous electrolytes used today with those made ...

In fact, the Sun is the ultimate source of energy for almost all cells, because photosynthetic prokaryotes, algae, and plant cells harness solar energy and use it to make the complex organic food ...

Ammonia, used in fertilizer, is essential to our lives. Addis Energy is trying to make the chemical underground. Forget massive steel tanks—some scientists want to make chemicals with the help ...