Samples returned from the surface of an asteroid show that these small bodies may have more water than previously thought and could have delivered that water to Earth.
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Making the Grade: A Week at the National Soil Judging Contest
Students from around the country recently convened for the National Collegiate Soils Contest and promptly crawled into backhoe-scraped pits to dig into soil science.
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New Eyes on Wildfires
Onboard machine learning and compact thermal imaging could turn satellites into real-time fire management tools to help officials on the ground.
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California Heat Waves Triggered by Pacific Thunderstorms
New link may offer 5-week lead time on predicting extreme heat in California’s fruit belt.
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New Model Shines Spotlight on Geomagnetic Jerks
Scientists get one step closer to being able to predict jerks—notoriously capricious changes to Earth’s geomagnetic field detectable by satellites.
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First Possible Marsquake Detected
First earthquakes, then moonquakes, now marsquakes: a robotic lander comes through with the first detection of seismic activity on Mars.
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Earth’s Eccentric Orbit Helped Preserve Rare Soft-Tissue Fossils
Cyclical changes in Earth’s orbit helped to preserve rare fossils in Morocco.
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House Freshman Democrats Urge Funds for Climate Change Programs
More than half of the newly elected Democratic representatives signed onto a letter calling for “robust funding” for U.S. climate change research programs.
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Global Tree Cover Loss Continues but Is Down from Peak Highs
New data show that an area of tropical tree forest cover the size of Nicaragua was lost in 2018.
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Meteorite’s Hidden Treasure: A Comet
A fragment of a comet found hidden inside a meteorite is offering new insights into the dynamics of our young solar system.