Researchers are increasingly turning to artificial-intelligence tools that can handle complex, multi-step processes.

Over the past few years, AI has made significant strides in mimicking human empathy. AI systems, through natural language processing and machine learning, can recognize and respond to emotional cues, ...

Shortly after Hunter Lightman joined OpenAI as a researcher in 2022, he watched his colleagues launch ChatGPT, one of the fastest-growing products ever. Meanwhile, Lightman quietly worked on a team ...