Mars Has a Solid Inner Core, New Seismic Study Finds
Researchers analyzing seismic data from NASA’s InSight lander report a 610 km solid inner core beneath a liquid outer core on Mars, a discovery published in Nature on 7 September 2025 that strengthens the idea Mars once generated a magnetic field and may have had a thicker, water-friendly atmosphere. Key Takeaways New analysis of InSight … Read more