Quakes on Mars Reveal New Features of the Planet’s Interior NYT | Top Stories By: Katrina Miller 5 September 2025 at 05:27 Using data from NASA’s retired InSight lander, two separate teams of researchers found evidence of a sluggish Martian mantle and a solid inner core. © NASA/JPL-CaltechA cutaway illustration of the modern Martian interior. A meteor striking one side of the planet’s surface, left, creates seismic waves that are detected by NASA’s InSight lander, right.
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