Unprecedented images reveal how Saturn’s atmosphere is evolving as summertime winds down in its northern hemisphere.
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Posted inNews
True North, Strong and Free—And Better Oriented
Researchers explored a method for locating true north using the polarization patterns of daylight.
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Drones Make Weather Prediction Easier at the Poles
Researchers measured wind speed with a commercially available drone and a lightweight sensor. The approach could help scientists gather more data from remote environments.
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Third-Wettest Year in Arctic Wraps Up
The annual Arctic Report Card charts the rise in rain in northern latitudes and serves as a new “vital sign” of the region’s shifting climate.
Posted inEditors' Highlights
New Tool to Decipher Past Upper Troposphere Temperatures
Small variations in clumped O2 isotopes reflect temperatures in the upper troposphere. Bubbles measured in polar ice cores show the global lapse-rate appears to steepen during the Last Glacial Maximum.
Posted inFeatures
Allen Foster: Greasing Telescope Gears During a 7-Month-Long Night
While overwintering in Antarctica, Foster maintains the South Pole Telescope facilities.
Posted inEditors' Highlights
Watching the Substorms Grow
Updated procedures enable consistent use of a wide network of polar magnetometers to monitor energy flow into the tail of Earth’s magnetosphere during the growth phase of substorms.
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Australian Wildfires Linked to Ozone Layer Depletion
New research shows that the Black Summer bushfires damaged the ozone layer, eliminating a decade’s worth of progress.
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Saturn’s Powerful Winds Explain Changes in the Length of Its Day
Atmospheric winds moving at more than 7,000 kilometers per hour distort Saturn’s magnetic field, revealing why spacecraft have measured changes in the length of a day on the ringed world.
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The Bumpy Search for Liquid Water at the South Pole of Mars
Studies since 2018 have provided competing explanations of bright radar reflections from the base of the south polar ice cap.