Nitrates in the atmosphere reduce air quality and play an important role in climate change. An international team led by ...

A new study details processes that keep pollutants aloft despite a drop in emissions.

Penguin poop may be playing a key role in keeping climate change in check over Antarctica, new research published May 22 ...

Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

Canadian wildfire smoke in the Pittsburgh area will be thickening today and causing poor air quality throughout the region.

The discovery of a metal-rich star packed with both light and heavy elements hints at exotic stellar explosions and the role ...

Planting trees can help cool the earth, but it won’t be enough to stop climate change without deep emissions cuts, new ...

It might or might not be the smell of aliens, but dimethyl sulfide — and its funky odor — definitely gets around ...

The latest NOAA forecast models foresee smoke persisting in the skies over Philly through the day Wednesday and likely into ...

One of humanity’s most profound questions is whether life exists beyond Earth — and if so, what forms it might take. For ...

Mercury is released by environmental and human-driven processes. And some forms ... The convention’s effectiveness is judged partly on the amount of mercury in the atmosphere. Gaseous elemental ...