Organic molecules once thought to be produced only by life-forms have been found in two separate regions of space: a nearby comet and the debris around a pair of forming stars. Previous studies on ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue investigates chemical reactions involving sodium. Find out how the electron configuration of ...

Compound libraries are curated collections of chemical molecules used in drug discovery. A range of screening collections, ...