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Ancient asteroid craters may have sparked Earth’s oxygen-producing life

Science Daily · May 22, 2026, 6:47 AM

Key takeaways

  • A team of researchers in South Korea has uncovered evidence that could shed new light on how Earth's atmosphere first became rich in oxygen, one of the most important turning points in the planet's history.
  • Scientists from the Korea Institute of Geoscience and Mineral Resources (KIGAM) discovered stromatolites, layered rock structures created by ancient microbial communities, inside the Hapcheon impact crater.
  • Asteroid Impacts May Have Created Habitats for Early Life

Why this matters: new research or scientific developments with potential real-world impact.

A team of researchers in South Korea has uncovered evidence that could shed new light on how Earth's atmosphere first became rich in oxygen, one of the most important turning points in the planet's history.

Scientists from the Korea Institute of Geoscience and Mineral Resources (KIGAM) discovered stromatolites, layered rock structures created by ancient microbial communities, inside the Hapcheon impact crater. The site is the only confirmed asteroid impact crater on the Korean Peninsula. Their findings were published in Communications Earth & Environment, a Nature Portfolio journal.

Asteroid Impacts May Have Created Habitats for Early Life

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