Ammonia, the primary ingredient in nitrogen-based fertilizers, has helped feed the world since World War I.

Antibiotics save countless lives each year from harmful bacterial infections — but the community of beneficial bacteria that live in human intestines, known as the microbiome, frequently suffers collateral damage.

Whatever our hands do—reaching, grabbing or manipulating objects—it always appears simple. 

Gallium nitride, a semiconductor that revolutionized energy-efficient LED lighting, could also transform electronics and wireless communication, thanks to a discovery made by Cornell researchers.

For the first time, NASA’s planet-hunting Transiting Exoplanet Survey Satellite (TESS) watched a black hole tear apart a star in a cataclysmic phenomenon called a tidal disruption event. 

Rapid intensification is a serious challenge for the prediction of hurricane intensity. 

Researchers at Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory say they have found the first, long-sought proof that a decades-old scientific model of material behavior can be used to simulate and understand high-temperature superconductivity ­– an important step toward producing and controlling this puzzling phenomenon at will.

Synthesizing new data and assessment methods is showing how freshwater fish is an invisible superhero in the global challenge to feed poor rural populations in many areas of the world.

Lithium-carbon dioxide batteries are attractive energy storage systems because they have a specific energy density that is more than seven times greater than commonly used lithium-ion batteries. 

NASA’s Terra satellite captured an image of Tropical Storm Karen on Sept. 26 and found the strongest thunderstorms west of center.