Chen Youlin specialises in using seismological data to track nuclear tests and has worked on US-funded projects.
An American seismologist has been detained in China on espionage charges since 2024, his family revealed yesterday, saying US ...
China detains US seismologist over nuclear test research as espionage trial approaches after nearly two years in custody.
A Chinese-born American seismologist who has published U.S.-funded work on detecting North Korean nuclear tests has been ...
The US called China's ballistic missile test in the south Pacific a "great concern" for the world.
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