Cosmic dust particles reveal snapshot of Earth's ancient air

Berlin, Germany (SPX) Jul 30, 2025

Scientists have found a new way to probe the composition of Earth's ancient atmosphere by studying fossilized cosmic dust. An international team led by the University of Gottingen, with collaborators from the Open University, University of Pisa, and Leibniz University Hannover, developed a technique to analyze micrometeorites - tiny metal-rich particles from space that have been preserved in Ear