Efforts to cut car, plane and ship emissions get small boost

Several countries and companies announced plans Wednesday to stop selling cars that run on gasoline or diesel over the next two decades, as part of efforts to clamp down on a significant source of planet-warming emissions.

Finding the cause of a fatal problem in rocket engine combustors

Rocket engines contain confined combustion systems, which are essentially combustion chambers. In these chambers, nonlinear interactions among turbulent fuel and oxidizer flows, sound waves, and heat produced from chemical ...

Key to carbon-free cars? Look to the stars

For nearly half a century, astrophysicists and organic chemists have been on the hunt for the origins of C6H6, the benzene ring—an elegant, hexagonal molecule comprised of 6 carbon and 6 hydrogen atoms.

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