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.

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

Rivers have long played a key role in the planet’s carbon cycle. They move and release gases like carbon dioxide (CO₂) and ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for ...

The chemical composition of WASP-121b suggests that it formed in a cool zone of its natal disc, comparable to the region of gas and ice giants in our Solar System. Methane indicates unexpected ...

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

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

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

As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

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