Location of a simulated micron-size grains continuously launched from an orbiter at L1 in a snapshot as seen from Earth. The viewing location is the subsolar point, and the solid grey circle shows the ...

Arctic sea ice is disappearing fast, and scientists have turned to an unexpected cosmic clue—space dust—to uncover how ice has changed over tens of thousands of years. By tracking helium-3–bearing ...

Researchers have discovered that traces of space dust found in sediment cores from the ocean floor can shed light on the extent of Arctic sea ice during the Last Glacial Maximum, approximately 30,000 ...