The little-known artificial intelligence firm has emphasized research, even as it emerged as the brainchild of a hedge fund.

In a meeting with Meta employees on Thursday, Mr. Zuckerberg also doubled down on recent changes to the company’s online speech policies and ending its diversity initiatives.

Meta’s chief executive has become a more visible presence in Washington since President Trump’s return to office after years ...

The federal law banning TikTok has revealed a major schism among American tech companies: Some are willing to flout the law — ...