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Debate Erupts Over Miralga Crater's 3.5 Billion Year Age

8/6/2025

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Summary

Story summary

A fierce debate has erupted among researchers over the age of the Miralga meteorite impact crater in Western Australia's Pilbara region. One study asserts it dates back 3.5 billion years, while another argues it formed more recently, after 2.7 billion years ago, measuring just 16 kilometers wide. This crater holds vital clues about the early Earth and Mars.

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Story summary

A fierce debate has erupted among researchers over the age of the Miralga meteorite impact crater in Western Australia's Pilbara region. One study asserts it dates back 3.5 billion years, while another argues it formed more recently, after 2.7 billion years ago, measuring just 16 kilometers wide. This crater holds vital clues about the early Earth and Mars.