Elon Musk made a bid to buy leading artificial intelligence company OpenAI. CEO Sam Altman says OpenAI isn’t for sale and said of Musk: “probably his whole life is from a position of insecurity.” The ...

Government investigations into Mr. Musk’s companies are stalling amid President Trump’s firings and Biden administration ...

Since the inauguration, billionaires who funded climate action over the last decade have avoided criticizing Trump’s climate ...