Researchers say they have mapped more than 200,000 cells in a cubic millimeter of brain tissue and have traced how they're ...

The head of Meta's artificial intelligence research division said she plans to step down, vacating a high-profile position at a time of intense competition in the development of AI technology.

YVES HERMAN / REUTERS The head of Meta's artificial intelligence research division said she plans to step down, vacating a high-profile position at the parent company of Facebook and Instagram at ...