The same phenomenon that causes aurorae — the magical curtains of green light often visible from the polar regions of the Earth — causes mesospheric ozone layer depletion. This depletion could have ...

A large hole in the Antarctic ozone layer once thought to be steadily closing could actually be widening, according to new research, casting doubt on whether global efforts to heal the ozone have been ...

In a revelation highlighting the fragile balance of our planet's atmosphere, scientists have uncovered an unexpected link between massive wildfire events and the chemistry of the ozone layer. Using ...

During summers in Denver, electronic billboards on the side of the highway often let people know that the state health department has declared an ozone action alert day. But what that means isn’t ...