An international armada of orbiting satellites and ground VLF network join forces to form a “magnetosphere-ionosphere observatory” to size up electromagnetic ion cyclotron waves in the magnetosphere.
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Posted inEditors' Highlights
Insights from Calibration of the HP³ Radiometer on InSight
A detailed analysis of Heatflow and Physical Properties Package Radiometer on the Mars InSight lander, including changing instrument sensitivity and calibration coefficients.
Posted inNews
Ghostly Particles from the Sun Confirm Nuclear Fusion
Using the Borexino particle detector—located deep underground in Italy—researchers spot elusive neutrinos from the Sun’s CNO cycle.
Posted inNews
Five Things Spy Satellites Have Taught Us About Earth
Long before we had satellites beaming terabytes of data back to Earth, we had covert spacecraft the size of school buses snapping photos on rolls of film 50 kilometers long.
Posted inFeatures
Remaking a Planet One Atom at a Time
When is a planet not a planet? Where does helium rain? How can water be solid and liquid at the same time? For answers, scientists put common planetary materials under extreme pressure and watched what happened next.
Posted inFeatures
Reflecting on a Half Century of Mineral and Rock Physics at AGU
Research fields focused on the physical properties of Earth materials emerged in the 20th century and have been making major contributions within geoscience ever since.
Posted inNews
Radioactive Bookkeeping of Carbon Emissions
A new sampling method uses carbon-14 to single out which carbon dioxide molecules in the atmosphere derive from fossil fuels. The method could help track emissions goals for climate mitigation.
Posted inNews
Podcast: Instruments of Unusual Size
Rumbling volcanoes act like giant musical instruments that researchers can study to better monitor eruptions.
Posted inNews
Visualizing the Deep Carbon Cycle
Geoscientists have created animations to help visualize different components of Earth’s carbon cycle.
Posted inScience Updates
Catching Elves in Argentina
The world’s largest cosmic ray detector accidentally spotted elves, an unusual lightning phenomenon high in the atmosphere. Now it’s intentionally looking for more.