OpenAI CEO Sam Altman suggested Elon Musk cares more about his businesses than he does the country, shortly after he referred to Musk as "the most inspiring entrepreneur of our time." ...

Altman and Musk were OpenAI’s founding co-chairs in 2015, but their relationship has devolved into name-calling and lawsuits.

There’s no official ruling on the collective noun for a group of billionaires, but if ever we needed one it was this week, writes Ange Lavoipierre.

Masayoshi Son founded SoftBank in 1981. It has invested millions in some of Silicon Valley's biggest tech companies.

Though Altman said he likely wouldn’t agree with Trump on “everything,” the OpenAI CEO said he believes “he will be ...

President Trump sounded a lot of populist notes on the campaign trail. But as he took the oath of office for the second time, ...

Elon Musk blasted OpenAI, accusing it of not having enough cash for Donald Trump's "Stargate" project. CEO Sam Altman has ...

The Stargate project has big implications for U.S. AI leadership, but also for who's winning the new president's ear.

Trump's inauguration drew several business and tech CEOs, including Jeff Bezos, Mark Zuckerberg, Elon Musk, Tim Cook, and ...

From the friendships he has formed, to the public's perception of the MAGA leader, much has changed since Trump last took the ...

The inauguration guestlist features unlikely names including MMA fighter Conor McGregor and influencer Jake Paul.

ABC News has live coverage of the inauguration of President Trump beginning at 6 a.m. until approximately 11 p.m.