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.
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Titan’s Northern Lake District Has Hidden Depths
Radar and infrared data from flybys reveal new details about Titan’s northern lakes.
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Atacama’s Past Rainfall Followed Pacific Sea Temperature
This is the first paleoclimate record of precipitation near Atacama’s hyperarid core and suggests that its moisture source is different from that of the Andes.
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National Volcano Warning System Gains Steam
It took more than a decade, but a bill that funds U.S. volcano monitoring efforts and establishes a single system became law on 12 March.
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Wildfire Particulates Raise Cardiopulmonary Health Concerns
New research reveals that exposure to smoky air and the particulates created in wildfires can cause increased cardiovascular and respiratory hospitalizations for people 65 and older.
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More Than a Million New Earthquakes Spotted in Archival Data
By reanalyzing seismic records, researchers found a plethora of tiny earthquakes in Southern California that trace new fault structures and reveal how earthquakes are triggered.