China has announced plans to build a coordinated "space-ground" monitoring network to detect near-Earth asteroids, though officials have offered few concrete details publicly.

Recent scientific papers and a 2025 presentation to the United Nations, however, point to specific technical options the country is weighing.

The China National Space Administration made the announcement on June 30, International Asteroid Day, describing a coordinated ground-and-space system for early warning, Space reported.

Li Mingtao, chief scientist at CNSA's Asteroid........

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