Earth Sciences

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Sentinel-6B Reaches Orbit to Extend Global Sea-Level Record

The U.S.–European altimetry mission now begins a year of cross-calibration with Sentinel‑6A before becoming the world’s sea‑level reference.

Sakurajima Eruptions Send Ash 4.4 km High, Disrupting Flights in Southern Japan

AI-Enabled Analysis Detects 3.3-Billion-Year-Old Biosignatures and Dates Photosynthesis to 2.5 Billion Years

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Chang'e-6 Samples Confirm Hematite and Maghemite on the Moon

Sentinel-6B Set to Launch Tonight to Sustain Global Sea-Level Record

Scientists Confirm Moon’s Solid, Iron-Like Inner Core Inside Molten Outer Layer

China’s Jinlin Crater Confirmed as Earth’s Largest Known Holocene Impact Site

Auroras Sweep the U.S. After G4 Storm as Forecasters Watch for More Activity Into Thursday

Severe Geomagnetic Storm Pushes Auroras to Unusually Low Latitudes as Forecasts Flag Further CME Risk

Magnitude 3.6 Quake Reported Near Vallejo With No Immediate Damage

Breakup of Ancient Supercontinent Tied to Rise of Complex Life, New Study Finds

Early Stratospheric Warming Signals Point to Polar Vortex Disruption Near Thanksgiving

Iceland Labels Potential AMOC Collapse a Security Threat as New Studies Update Risk Signals

Severe Solar Storm Ignites Auroras as Forecasters Track Third, Stronger CME

Magnitude 5.2–5.3 Quake Near Paphos Felt Across Region

G4 Geomagnetic Storm Lights Up U.S. Skies as Third Solar Blast Nears

Mantle Waves Peel Continental Roots to Feed Ocean Volcanoes, Study Finds

NOAA Issues Strong Geomagnetic Storm Watches as CMEs Near Earth, Raising Aurora Odds

Kīlauea’s Latest Summit Burst Sends 1,100-Foot Fountains, Sets Record Effusion Rate

Local Outlets Republish Stacker Rankings of the Coldest Novembers by State