Tag Archive for Hapcheon crater

Lim et al. demonstrate that stromatolites -- the oldest fossil evidence of oxygen-producing microbial life on early Earth -- could have developed within impact craters, based on a detailed investigation of stromatolites and lake sediments in the Hapcheon impact crater, South Korea. Image credit: Lim et al., doi: 10.1038/s43247-026-03206-7.

Ancient Crater Lakes May Have Provided Ideal Conditions for Earth’s Earliest Oxygen-Breathing Life

May 20, 2026 by News Staff

Researchers have discovered stromatolites — layered structures formed by microbial communities — inside a 42,000-year-old asteroid crater in...

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