Japan’s Hisaki satellite takes measurements of faint oxygen emissions from Io.
planetary atmospheres
Posted inNews
Solar Flare Caused Increased Oxygen Loss from Mars’s Atmosphere
Measurements by a Mars-orbiting spacecraft indicated heating and chemistry changes in the planet’s atmosphere following an extreme solar eruption last year.
Posted inNews
New Juno Data Reveal Four Key Secrets of Jupiter
Deep clouds, polar storms, lopsided gravity, and a uniformly rotating interior demonstrate that the gas giant plays by different rules than Earth.
Posted inEditors' Highlights
Earth-like Oscillations Detected in Saturn’s Stratosphere
By comparing Cassini observations spanning ten years, Saturn’s equatorial oscillation is shown to have similarities to Earth’s Quasi-Biennial Oscillation and Semi-Annual Oscillation.
Posted inResearch Spotlights
Curiosity Spies Shifting Sands on Mars
Images from the rover’s pioneering encounter with sand dunes on Mars constrain wind speeds required to move sand in the thin Martian atmosphere.
Posted inResearch Spotlights
Huge Storms Disrupted Jupiter’s Fastest Jet Stream in 2016
Recurrent jet stream disturbances provide glimpses of what lies beneath the gas giant’s thick upper cloud cover.
Posted inResearch Spotlights
Spacecraft Returns Its First Data on Martian Solar Irradiance
Scientists demonstrate the capabilities and limitations of the mathematical model used to calculate solar irradiance using measurements from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN).
Posted inNews
The Curious Case of Titan’s Missing Clouds
Two instruments, one region on Titan: One instrument saw clouds, the other didn't—what's going on?
Posted inResearch Spotlights
Mars's Atmosphere Matches Earth's Turbulent Nature
Mars is even more like Earth than we thought, according to a statistical analysis of the planet's swirling atmosphere.
Posted inEditors' Vox
Even the Magnetosphere Has Problems
In a new conference and collection of papers, international space physicists narrow down the enigmas that puzzle magnetospheric science.