The Vela explosion stands out as the most dramatic example, occurring when our planet was emerging from the last ice age around 13,000 years ago.

"When nearby supernovas occur in the future, the radiation could have a pretty dramatic effect on human society." ...

A research team led by Prof. Xie Pinhua from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has ...

Health officials issued a ground-level ozone warning Thursday for the lower Hudson Valley, New York City and Long Island.

The Indianapolis Office of Sustainability has declared a Knozone Action Day for Thursday, June 12, warning of unhealthy air ...

We conducted a systematic, quantitative evaluation of the evidence from cohort studies, reporting associations between long-term exposure to ozone and mortality. Methods Cohort studies published in ...

The international space industry is on a growth trajectory, but new research shows a rapid increase in rocket launches would ...

Among the many environmental crises of the past century, one stood out as a global warning: the hole in the ozone layer! At ...

Ground level ozone is expected to affect the air quality across most of Connecticut Wednesday from late morning into the ...

The Front Range’s summer ozone pollution season begins Sunday and with it comes the annual warnings about being careful when working or playing outdoors on high-pollution days. A new analysis of ...