An exclusive conversation with OpenAI’s chief scientist, Jakub Pachocki, about his firm's new grand challenge and the future of AI.

Luka Doncic had 40 points and LeBron James added 30 as the Los Angeles Lakers extended their winning streak to seven games with a 124-116 win over the Houston Rockets.

Ayo Dosunmu scored 23 points and had nine rebounds in his second straight start in place of the injured Anthony Edwards and the Minnesota Timberwolves took charge in the second quarter to cruise past ...