Variations in grain size and water ice content detected on Saturn’s largest moon offer evidence of geologically related units that resemble the mountain-to-desert transition on Earth.
CC BY-NC-ND 2018
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 inAGU News
In Appreciation of AGU’s Outstanding Reviewers of 2017
As AGU editors recognize the contributions of reviewers, our journals are providing new online tools, such as a short questionnaire for reviewer feedback, to improve the peer review process itself.
Posted inNews
Raising a Tantrum About Climate Change
One year ago today, President Trump vowed to exit the United States from the Paris climate pact. Eos discusses this with climatologist Michael Mann, author of the new book The Tantrum that Saved the World.
Posted inScience Updates
How Can We Find Out How Much Snow Is in the World?
In Colorado forests, NASA scientists and a multinational team of researchers test the limits of satellite remote sensing for measuring the water content of snow.
Posted inResearch Spotlights
Depth Matters in Peat Bog Nutrient Cycling
Peatlands store around a third of Earth’s soil carbon, and a new study begins to reveal how the ecosystems’ organic matter changes with depth.
Posted inNews
Obama’s Science Adviser Blasts Trump Policies and Personnel
In a no-holds-barred speech, John Holdren renews call for a White House science adviser.
Posted inResearch Spotlights
Mysterious Aurora Borealis Feature Explained for the First Time
High-speed particles cause indentations in the magnetopause to form “throat auroras.”
Posted inNews
New Paths for Plankton in Warming Arctic?
Water flowing from the Pacific to the Atlantic could find new shortcuts, enabling plankton to survive the trip through the cold polar region.
Posted inEditors' Vox
Coastal Ocean Warming Adds to CO2 Burden
With coastal oceans around the world changing from the effects of urbanization, rising carbon dioxide levels, and climate warming, recent work begins to find new land-sea linkages.