The concept of deadly mass extinctions wreaking destruction upon Earth's ecosystems millions of years ago is something that has fascinated the public and scientists alike for decades. A groundbreaking ...

Unlike the oxygen molecules present in the atmosphere, which are composed of two oxygen atoms bound together, ozone is made up of three oxygen atoms. This chemical structure grants ozone some unique ...

The Antarctic ozone hole was discovered in 1985, when scientists observed a severe depletion in Earth's protective layer of stratospheric ozone. Industrial chemicals known as chlorofluorocarbons (CFCs ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT-led modeling suggests human-caused ozone depletion may have begun in 1957 in the tropical upper stratosphere. (CREDIT: ...

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 ...

New research finds ozone recovery and pollution could make ozone the second-largest source of warming by 2050.

A new study confirms the Antarctic ozone layer is healing as a direct result of global efforts to reduce ozone-depleting substances. A new MIT-led study confirms that the Antarctic ozone layer is ...

Measurements from the Copernicus Sentinel-5P satellite show that this year’s ozone hole over Antarctica is one of the biggest on record. The hole, which is what scientists call an ‘ozone depleting ...

Ozone levels above the Arctic reached a record low for March, NASA researchers report. An analysis of satellite observations show that ozone levels reached their lowest point on March 12 at 205 Dobson ...

Challenge: Better understanding ozone formation and transport impacting the shorelines of Lake Michigan Resource: Advanced air quality monitoring methods deployed at various sites across Lake Michigan ...

Ground-level ozone is not emitted directly. It forms when nitrogen oxides and volatile organic compounds, released largely by vehicles, industry and other combustion sources, react in sunlight. Higher ...