Chinese authorities stopped the sale of ABB Robotics, owned by a Swiss conglomerate, to SoftBank of Japan amid wider scrutiny of global transactions that could affect Beijing’s technology ambitions.

© Moritz Hager/Reuters

China and the U.S. need mutually assured collaboration to quash the threat of A.I.-empowered bad actors, even while their economic differences sharpen.

No pooper scooper required.

Germany’s Neura is one of the companies at the forefront of efforts to use artificial intelligence in robotics, and crucial to whether Europe can close the gap with China.

© Roderick Aichinger for The New York Times

Germany’s Neura is one of the companies at the forefront of efforts to use artificial intelligence in robotics, and crucial to whether Europe can close the gap with China.

© Roderick Aichinger for The New York Times

A tech start-up’s stunt in San Francisco tested the boundaries of combat sport safety and regulations.

I went to Galaxy Robot Park in Seoul to see how we might one day live with robots. It was part cutting-edge technology, part theatrics.

© Jiwoong Hong/The New York Times