The 5th Hydrogen Ecosystem International Conference concluded at the Daxing International Hydrogen Energy Demonstration Zone in Beijing from October 27-29, 2025.

Global science leaders converged in Beijing as the 2025 World Science and Technology Development Forum (WSTDF) kicked off on October 27. The forum, now in its seventh year since being launched by the China Association for Science and Technology (CAST) in 2019, brings together global experts to explore how artificial intelligence can advance science, industry, and sustainability.

On October 23, 2025, the "Integration for a Shared Future" Science Salon took place at Donghu International Center in Beijing's Chaoyang District under the theme "Technology, Culture, Integration." Fifty Chinese and international youth gathered to foster dialogue on technology ethics, green development, and cultural empathy amid accelerating global innovation and deepening cultural exchange.

China has achieved a significant milestone in next-generation "artificial sun" technology development, with one of its key subsystems having passed expert review and acceptance procedures recently.

​The orbiter of China's Mars mission Tianwen 1 has successfully observed an interstellar object, coded 3I/ATLAS, using its high-resolution camera, according to the China National Space Administration (CNSA).

The ANSO General Conference 2025 opened in Beijing on October 28.

China's thorium molten salt reactor has become the first in the world to transmute thorium fuel into uranium fuel for nuclear fission.

A team of Chinese scientists has completed the ground tests of an inflatable, reconfigurable module for a novel space manufacturing platform, in a significant step toward enabling large-scale industrial production in orbit.

Footage of four mice living aboard China's space station alongside the Shenzhou-21 astronaut crew has recently been transmitted back to Earth, revealing these small animals in good spirits and in an apparent state of well-being.

A group of Chinese researchers has developed a simple yet highly effective catalytic tuning strategy that almost completely eliminates carbon dioxide by-products during Fischer-Tropsch synthesis (FTS), offering a new route to green syngas conversion and low-carbon chemical manufacturing.