Gigantic chasm on Mars is still tectonically active
New research shows that a powerful 2021 marsquake emanating from Valles Marineris — the largest canyon in the solar system — was triggered by unexpected movement in a fault line deep below the gigantic structure, revealing that tectonic activity can still occur on geologically "dead" worlds.
We haven't written up this one. Live Science has the full story — the link below goes straight to it.