A new study details processes that keep pollutants aloft despite a drop in emissions. Nitrates in the atmosphere reduce air quality and play an important role in climate change. An international team ...

Atmospheric science is rapidly evolving as new technologies, analytical tools, and theoretical frameworks enhance our ...

Researchers say they have gathered evidence of Mars' atmosphere sputtering for the first time. Understanding how Mars' atmosphere has changed over time will undoubtedly help us discover more about the ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for liquid water to exist on the planet’s surface, billions of years ago. Today, ...

After nearly a decade in orbit, NASA's MAVEN spacecraft has, for the first time, directly observed the process that scientists had long suspected was responsible for stripping Mars of its atmosphere.