Mars meteorite found in the Sahara points to ancient water

Mineral and chemical traces in Teghaza 001, a meteorite found in Mali, provided evidence that water existed in Mars’s crust early in the planet’s history.

General News

Mirat Haber

10/11/2026 04:34

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A Martian meteorite named Teghaza 001, found in Mali’s Sahara Desert, has yielded evidence suggesting that rocks interacted with water early in the planet’s history. A scientific team that included NASA researchers examined the mineral and chemical properties of the rock, which is at least 4.1 billion years old. The findings could help explain why Mars became dry.

Key facts about the study

Teghaza 001 was discovered in Mali in 2022.
The meteorite consists of eight fragments weighing a total of 798.5 grams.
The rock was found to have potentially originated from one of 13 locations in Mars’s southern highlands.

How did researchers investigate its origins on Mars?

According to TRT Haber’s report, which cited CNN International, researchers compared the meteorite’s mineral and chemical properties with data from Mars. The comparison identified 13 possible locations in the planet’s southern highlands where the rock could have originated; no single point of origin was confirmed.

The meteorite is thought to have broken away from Mars and been ejected into space when a celestial body struck the planet. This explanation was reported as the researchers’ assessment of how the rock left Mars.

The evidence of water comes from mineral and chemical traces within the rock. The scientific team said these traces indicate that water existed in Mars’s crust early in its history and that rocks interacted with it.

What does the finding mean for Mars research?

Studying Teghaza 001 could help researchers investigate the relationship between water on early Mars and the planet’s later drying. Scientists believe the finding could be valuable not only for understanding Mars’s past but also for explaining how Earth has continued to retain water. These potential contributions reflect the researchers’ assessment of the finding’s future scientific value.