A new analysis of iron meteorites reveals a distinct isotopic signature that suggests nitrogen was present around early Earth.
everything atmospheric
Posted inScience Updates
Advances in Satellite Data for Wildfire Smoke Forecasting
Observations from the newest geostationary Earth-observing satellites are offering valuable views of fire progression and smoke plume development and helping simulate impacts from large wildfires.
Posted inEditors' Highlights
Global Warming Intensifies Turbulence Over Northern Eurasia
A significant increasing trend of turbulence in upper atmosphere over northern Eurasia is attributed to intense anthropogenic activities.
Posted inEditors' Highlights
Robot Measures Air-Sea Carbon Dioxide Exchange in Southern Ocean
Unique air and ocean surface observations of the Southern Ocean from a 22,000 km, 196-day circumnavigation around Antarctica by an Uncrewed Surface Vehicle.
Posted inNews
Dust on the Wind
A new study confirms that an important wind system is shifting due to climate change.
Posted inNews
Seeing Stripes in the Atmosphere of a Brown Dwarf
A planet-hunting satellite’s observations of the nearby system Luhman 16 AB reveal bands of clouds, high-speed jets, and polar vortices.
Posted inEditors' Highlights
Wind Stress is not the Ceiling of Momentum Flux to the Ocean
The ocean is mainly driven by wind stress, but simultaneous observations show that the gain of momentum flux by the ocean can be larger than the wind stress due to the influence of ocean waves.
Posted inNews
Podcast: A Modern Way to Look for Aliens
The search for extraterrestrial intelligence is undergoing a 21st century transformation. The field is poised to lead the way as an example of interdisciplinary research and inclusive science.
Posted inEditors' Highlights
Measurements of Ozone-Depleting Chemicals in the Asian Monsoon
New high-altitude aircraft observations identify unexpected high levels of halogen-containing species entering the stratosphere above the summertime Asian monsoon.
Posted inNews
Ancient Eruption May Change Our Understanding of Modern Volcanoes
Bubbles trapped in magma from a 1,000-year-old event reveal how scoria cones might erupt and what impact they may have on the landscape and atmosphere.