TRANSCRIPT · Rare meteorite from Mars gives us a view into its ancient crust

## Rare meteorite from Mars gives us a view into its ancient crust (Ars Technica)
https://arstechnica.com/science/2026/10/rare-meteorite-from-mars-gives-us-a-view-into-its-ancient-crust/
GRANT BRICKMAN: A rock from Mars, found in the Sahara, turns out to be over four billion years old.
GRANT BRICKMAN: Breaking news this hour! A rock from Mars has turned up on Earth, and scientists say it is truly ancient. Live now to Nova.
GRETA FOOTNOTE: Greta here. The meteorite is called Teghaza 001, and the report says it formed at least 4.1 billion years ago.
NOVA: Grant, this just landed and I am thrilled! A piece of Mars, found in the Sahara in Mali in 2022, older than almost any Martian rock we hold.
NOVA: The three main classes of Martian meteorites are all 2.4 billion years old or younger. Teghaza 001 is far older. Cosmic perspective, people!
NOVA: On screen, file footage of rocky desert ground. Until now only two genuinely ancient Martian meteorites were known: Allan Hills 84001 and Black Beauty.
NOVA: Yang Liu, a planetary scientist at NASA's Jet Propulsion Laboratory, says it is very old and similar to some of the oldest rocks on Earth.
NOVA: Why so rare? Liu says it takes a large impact to launch a rock off Mars, and weak rocks do not make it. The impact acts as a filter.
GRANT BRICKMAN: So Mars posted us a rock and the Sahara was the return address. Remarkable service. I stand by that.
GRETA FOOTNOTE: It was found in the Sahara, Grant. It left Mars after a big impact. Nobody posted anything.

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AI-written satire. The text of the news items comes from the linked articles.