STEVE is a mysterious purple-white arc near the aurora, typically seen after space disturbances called substorms. A new study reveals a rare STEVE event without a substorm, prompting questions about its origin.
everything atmospheric
Posted inNews
Centennial-Scale Jumps in CO2 Driven by Earth’s Tilt
Antarctic ice records uncovered seven previously unknown jumps in atmospheric carbon dioxide. These events may have been driven by changes in Earth’s tilt.
Posted inResearch Spotlights
How an Ocean-Sized Lake May Have Formed on Ancient Mars
The catastrophic collapse of Mars’s atmosphere may have melted its polar ice cap, creating an ice-covered southern sea.
Posted inResearch Spotlights
Como os Incêndios e o Clima Afetam a Saúde Pública de Portugal
Os investigadores analisaram os dados para examinar os efeitos dos incêndios florestais, dos poluentes e dos fatores meteorológicos na mortalidade e na saúde cardiovascular no país ibérico.
Posted inEditors' Highlights
Clumped CO Isotopes – New Tracers for Atmospheric Chemistry
A new study reports the first measurements of 13C18O in atmospheric carbon monoxide (CO) and show their variations reflect chemical ‘aging’ consistent with predicted kinetic isotope effects.
Posted inNews
Saharan Dust Carries Iron That Feeds Life in the Distant Ocean
A new study of seafloor sediments suggests reactions in the atmosphere convert dust-borne iron into forms more readily taken up by phytoplankton.
Posted inEditors' Highlights
Five Decades of Stratospheric Aerosols from Balloon Measurements
Long-term global measurements of stratospheric aerosols reveal climatological structures and processes controlling new particle formation.
Posted inScience Updates
Simulating Arctic Carbon Emissions in a Warming World
Not all climate models include carbon from thawing permafrost, and those that do often disagree. Scientists are working to better inform models and assess how these crucial materials are simulated.
Posted inNews
Heat Moves More Freely Through Warmer Sea Ice Than Scientists Thought
Flowing brines transport heat more effectively than old models showed, potentially changing climate simulations.
Posted inNews
Black Carbon from Wildfire Smoke Can Double Warming Effects
The findings could help climate models be more accurate about warming projections.