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Scientific Discipline Planetary Sciences

Planetary Sciences
Pair of images of Jupiter’s moon Ganymede taken by a passing spacecraft

Research Spotlight 14 January 2021

Juno Maps Water Ice Across Northern Ganymede

Infrared observations from instruments on the Juno spacecraft cover regions of Ganymede not visible to Earth-based telescopes.
Read More »
Planetary Sciences
A woman operates a four-legged robot

News 7 January 2021

Very Good Space Boys: Robotic Dogs May Dig Into Martian Caves

Four-legged, autonomous robots known as “Mars Dogs” will explore previously inaccessible caves to look for signs of life and potential locations for future human colonies.
Read More »
Planetary Sciences
Plot showing X-Ray Diffraction patterns for products from Mars chamber electrostatic discharge experiments using hydrated magnesium sulfate salt starting materials.

Editors' Highlights 7 January 2021

Martian Dust Activities Induce Electrochemistry

Amorphous materials generated from sulfur and chloride salts by electrostatic discharge in a Mars chamber suggest widespread electrical processes during dust activities.
Read More »
Planetary Sciences
Plot showing evolution of crustal thickness over time for mantle convection models of Venus with different yield strength

Editors' Highlights 5 January 2021

What Happened When the Lithosphere of Venus Broke?

Although Venus does not have plate tectonics today, previous episodes of intense tectonic activity could have resulted in a distribution of crustal thickness and age resembling the plate we see today.
Read More »
Geology & Geophysics
Color image of the planet Mars

Research Spotlight 4 January 2021

First Detection of a Built-In Wobble on Another Planet

Spacecraft find that Mars oscillates 10 centimeters off its axis of rotation.
Read More »

1 Comment

Space Science & Space Physics
Illustration showing the Heliosphere and its surroundings

Editors' Highlights 23 December 2020

The Cosmic Timeline of Heliophysics

Thom Moore began his career after the start of the space age. This is the story of how he converted his interests in evolution, philosophy, and psychology and writing into the study of heliophysics.
Read More »
Geology & Geophysics
Closeup of an illustration of a trilobite (left) beside blue swirls representing Earth’s magnetic field

Science Update 21 December 2020

Habitability and the Evolution of Life Under Our Magnetic Shield

Earth’s global magnetic field likely dates back billions of years and is a barrier against cosmic radiation. What roles has it played in the planet’s biosphere?
Read More »
Planetary Sciences
Plot showing a crater produced by the impact of a 10 km diameter bolide impacting a model of (16) Psyche

Editors' Highlights 21 December 2020

Predicting the Unique Shape of Craters on Asteroid (16) Psyche

Models link the variety of crater shapes expected on (16) Psyche with the interior structure of this unique asteroid, in preparation for the arrival of the Psyche probe in 2026.
Read More »
Planetary Sciences
Grayscale image of Uranus’s moon, Titania

News 14 December 2020

Do Uranus’s Moons Have Subsurface Oceans?

Scientists tested whether a classic technique could detect subsurface oceans on the moons of Uranus. In this scenario, the planet’s oddball magnetic field offers a big advantage.
Read More »
Planetary Sciences
Artist’s conception of WATSON instrument surrounded by life-related molecules

News 10 December 2020

An Ice Probe on Earth Could Help Us Find Life in Space

An instrument called WATSON can help find biosignatures on icy ocean worlds.
Read More »
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Most Popular

Feature 21 December 2020

The Herky-Jerky Weirdness of Earth’s Magnetic Field

1 Comment

Atmospheric Sciences

Research Spotlight 12 January 2021

Newly Identified Instabilities Enhance Atmospheric Turbulence

Geology & Geophysics

Editors' Vox 6 January 2021

Special Collection on Open Collaboration Across Geosciences

From AGU Journals

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JGR Biogeosciences

Spatial and temporal patterns of global burned area in response to anthropogenic and environmental factors: Reconstructing global fire history for the 20th and early 21st centuries

Jia Yang et al.

Highly Cited

JGR Biogeosciences

Global patterns of land‐atmosphere fluxes of carbon dioxide, latent heat, and sensible heat derived from eddy covariance, satellite, and meteorological observations

Martin Jung et al.

Hot Article

JGR Atmospheres

Kelvin‐Helmholtz Billow Interactions and Instabilities in the Mesosphere Over the Andes Lidar Observatory: 1. Observations

J. H. Hecht et al.

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Current Print Magazine


January 2021

Volume 102 Issue 1

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Most Popular

Feature 21 December 2020

The Herky-Jerky Weirdness of Earth’s Magnetic Field

1 Comment

Atmospheric Sciences

Research Spotlight 12 January 2021

Newly Identified Instabilities Enhance Atmospheric Turbulence

Geology & Geophysics

Editors' Vox 6 January 2021

Special Collection on Open Collaboration Across Geosciences

Most Commented

Geochemistry, Mineralogy, Volcanology

Editors' Vox 5 November 2020

A Geologist’s Guide to Exploring and Understanding Iceland

2 Comments

Geology & Geophysics

News 12 January 2021

Modeling the Creation of Cratons, Earth’s Secret Keepers

2 Comments

Atmospheric Sciences

News 9 November 2020

A Little-Known Mass Extinction and the “Dawn of the Modern World”

2 Comments

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Geology & Geophysics

Science Update 14 January 2021

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News 13 January 2021

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News 12 January 2021

Modeling the Creation of Cratons, Earth’s Secret Keepers

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