Cassini will fly close to Saturn's largest moon one last time. Here's a look back at what the spacecraft has revealed and ahead to scientists' final close glimpses of the moon.
everything atmospheric
Posted inScience Updates
A New Data Set to Keep a Sharper Eye on Land-Air Exchanges
FLUXNET2015, the latest update of the longest global record of ecosystem carbon, water, and energy fluxes, features improved data quality, new data products, and more open data sharing policies.
Posted inResearch Spotlights
How Arctic Ice Affects Gas Exchange Between Air and Sea
Scientists begin to fill a major data gap by investigating carbon dioxide dynamics in a remote region of the Arctic Ocean.
Posted inScience Updates
Volcanic Ash Particles Hold Clues to Their History and Effects
Volcanic Ash as an Active Agent in the Earth System (VA3): Combining Models and Experiments; Hamburg, Germany, 12–13 September 2016
Posted inEditors' Vox
Filling Earth’s Space Environment from the Sun or the Earth?
The editor of a new book describes how a unique combination of the monograph and video show that a four-decade old paradigm in solar-terrestrial physics is changing.
Posted inResearch Spotlights
Satellite Data Reveal Effects of Aerosols in Earth's Atmosphere
Combining data from multiple sources could aid in predicting the tiny atmospheric particles' effects on global warming.
Posted inNews
Ralph Cicerone (1943–2016)
The former president of the National Academy of Sciences was an accomplished atmospheric scientist and a proponent of multidisciplinary collaboration, but most of all, he was a good friend.
Posted inResearch Spotlights
Including Ozone Complexities in Climate Change Projections
A simplified view of ozone chemistry can cause climate models to overestimate the response of jet streams to increasing greenhouse gases.
Posted inResearch Spotlights
After Decades, High-Altitude Observations Revived at Jicamarca
Recent upgrades to the Jicamarca Radio Observatory in Peru allow it to probe electron densities several thousand kilometers above Earth, a feat it hasn't accomplished in 50 years.
Posted inResearch Spotlights
When Lower-Atmosphere Waves Invade the Upper Atmosphere
A review of the literature shows that weather nearer Earth's surface could produce up to 35% of the ionosphere's variability.