Past climate change likely motivated human migrations.
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Fast-Melting Mountain Glaciers Speed Up Sea Level Rise
Satellites spy on remote alpine glaciers, producing more accurate—and higher—estimates of ice loss over time.
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Satellite Imagery Reveals Plastic Garbage in the Ocean
Using high-resolution satellite data, scientists pinpoint discarded plastics floating off the coasts of Canada and Scotland.
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Space Force Proposal Hits Counterforce in Senate Hearing
Senators agree that the United States needs to be better prepared to defend itself in the space domain, but they are skeptical about a proposed dedicated space force.
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Hawaiian Volcano Observatory Searches for a New Home
Seismic activity during the eruption of Kīlauea damaged the Hawaiian Volcano Observatory beyond repair. Now officials are looking for a new site.
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Reassessing California’s Overdue Earthquake Tab
Paleoseismic records show that the current 100-year hiatus since the last major event on the San Andreas, San Jacinto, and Hayward Faults is unprecedented in recent geologic history.
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Take Weather Prediction with a Grain of Salt and It Gets Better
Sea surface salinity is starting to rival other methods for seasonal rain forecasting.
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Israeli Spacecraft Will Land on Moon Today
Beresheet will be the first privately developed craft to attempt a soft landing on the Moon. The landing will be broadcast live.
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Island Building Alters Waters Leagues Away and for Years After
Quantifying the impacts of dredging through satellite remote sensing could serve as a valuable resource in future geopolitical disputes over contested waters.
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The Ice Nurseries of the Arctic Are Melting
Ice formed in coastal nurseries along Russia’s Arctic coast is melting before it can float far offshore. Scientists are worried about what that means for wildlife.