Chinese scientists, working with international collaborators, have for the first time confirmed the existence of a solid inner core inside Mars.

China: Scientists Confirm Mars has a Solid Inner Core! (4.9.2025)

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Chinese scientists, working with international collaborators, have for the first time confirmed the existence of a solid inner core inside Mars.
Chinese scientists, working with international collaborators, have for the first time confirmed the existence of a solid inner core inside Mars.

2025-09-04 Ecns.cn Editor：Mo Honge

(ECNS) — Chinese scientists, working with international collaborators, have for the first time confirmed the existence of a solid inner core inside Mars.

The discovery, led by Professors Sun Daoyuan and Mao Zhu from the University of Science and Technology of China, was based on in-depth analysis of seismic data recorded by NASA’s InSight lander. Their study found that Mars harbours a solid core with a radius of about 600 kilometres.

According to the team, the core is mainly composed of a crystalline iron-nickel alloy enriched with light elements, which sheds new light on the planet’s internal structure and evolution.

(By Evelyn)