# Gigantic chasm on Mars is still tectonically active

Source: [ Latest from Live Science in Space ](https://www.livescience.com/space/mars/gigantic-chasm-on-mars-10-times-longer-than-the-grand-canyon-is-still-tectonically-active-surprising-marsquake-reveals) · 2026-11-06 · Space
Page: https://themorning.science/story/gigantic-chasm-on-mars-is-still-tectonically-active-35615d89b50fc217

Mars' supersize Valles Marineris — the largest known canyon in the solar system — is still tectonically active even though the Red Planet is geologically "dead," new research on a previously record-breaking marsquake reveals. On Aug. 25, 2021, NASA's InSight lander, which touched…

## Coverage

- [Gigantic chasm on Mars is still tectonically active](https://www.livescience.com/space/mars/gigantic-chasm-on-mars-10-times-longer-than-the-grand-canyon-is-still-tectonically-active-surprising-marsquake-reveals) —  Latest from Live Science in Space , 2026-11-06

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