Laboratories outside Japan have validated the results. Marine radioactivity levels from the nuclear disaster have fallen, but questions remain years after the meltdown.
News
Satellite Quantifies Carbon Dioxide from Coal-Fired Power Plants
Using data from NASA’s Orbiting Carbon Observatory 2 satellite, researchers measured emissions of the greenhouse gas from individual coal plants in the United States, India, and South Africa.
Administration Sets Moon as Destination
The U.S. National Space Council, an advisory body that has been dormant since 1993, focused on lunar travel, civil and commercial space opportunities, and national security when it met last week.
Past FEMA Head Urges Smarter Rebuilding After Natural Disasters
Craig Fugate says the United States has an opportunity to rebuild more resiliently if Congress doesn’t simply provide relief money but also requires rebuilding to higher standards.
Solar Probe Will Approach Sun Closer Than Any Prior Spacecraft
Technological improvements, including an advanced thermal protection system and innovative solar arrays, have helped to get this mission off the drawing board.
More Discoveries in the Cards from Defunct Comet Mission
A year after the end of the Rosetta mission, the real scientific fun begins.
Playing with Water: Humans Are Altering Risk of Nuisance Floods
New research suggests that excessive groundwater usage and damming have changed the natural risk of nuisance floods, for better or worse, in eastern U.S. coastal cities.
Honoring Earth and Space Scientists
Remembering AGU members and others who have passed away.
Giant Snails’ Century-Old Shells Recorded Monsoon Rainfall
Researchers explored past precipitation in India using shells from very large land snails collected there in 1918 and preserved in a British museum.
Unprecedented Hurricane Season Sees Widespread Damage
This hurricane season has broken multiple records already.