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No matter what you do, matter can neither be created nor destroyed. This property of the universe is called the law of conservation of mass.

Copper is the most promising catalyst for turning carbon dioxide into valuable chemical feedstocks and liquid fuels through reactions that are driven by electricity. But those reactions are not as efficient or selective as they need to be,

Prebiotic molecules central to life's earliest metabolic processes—chemical reactions in cells that change food into energy—may have been born in deep space long before Earth existed, according to new research from the University of Hawaiʻi at Mānoa Department of Chemistry.

Criegee intermediates (CIs)—highly reactive species formed when ozone reacts with alkenes in the atmosphere—play a crucial role in generating hydroxyl radicals (the atmosphere's "cleansing agents") and aerosols that impact climate and air quality.

A low-temperature chemical reaction between helium ions and carbon monoxide can be slowed by microwave excitation of the carbon monoxide, researchers in Switzerland have shown. The result shows that microwaves can have non-thermal effects on chemical reaction rates, and could be important in astrochemistry.