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The story so far · 2 days, October 29 to 30, 2026

Mars meteorite found to be 4.1 billion years old

One Turn followed this story across 2 editions, from Sahara Desert on October 29, 2026. Newest first.

Meteorites are rocks blasted off Mars.

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  1. 4.1-billion-year-old Martian meteorite studied
  2. Mars meteorite found to be 4.1 billion years old

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Friday, October 30, 2026 · Day 2 · Science · Sahara, Mali

Mars meteorite found to be 4.1 billion years old

Teghaza 001, found in Mali in 2022, is reported to be 4.1 billion years old. It is one of the oldest Martian meteorites known.

Why it matters: It gives clues to early Mars.

Sources: Reuters via Wikipedia, NASA · See it on the globe

Thursday, October 29, 2026 · Day 1 · Science · Sahara Desert · Algeria

4.1-billion-year-old Martian meteorite studied

Scientists dated Teghaza 001, found in the Sahara, as among the oldest Mars rocks. They mapped 13 possible origin sites.

Why it matters: Gives clues to early Mars.

Sources: NASA, Phys.org · See it on the globe

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