Scientists have directly observed a fleeting chemical reaction that creates a key ingredient in urban smog. The research offers insight into the earliest stages of pollution formation and could help ...

As human activity across the world's oceans expands, scientists are zeroing in on shifts in atmospheric composition—particularly ozone, a key player in marine atmospheric chemistry. In a new study, ...

Scientists have detected an unusually thick layer of ozone high above the North Bay of Bengal, the Ministry of Science & Technology said on Monday. The layer formed about 21 to 23 km above the Earth's ...

• The structure of the red oxygen ε-phase formed under pressures above 10 GPa has been determined. • Discovery of an O 8 cluster, which is a new conformation of oxygen following ozone. The solid ...