This is part of Hello, Trumpworld, Slate’s reluctant guide to the people who will be calling the shots now—at least for as long as they last in Washington. Elon Musk wasn’t always like this.

Elon Musk stole the limelight during a pre-inauguration event for Donald Trump on Sunday as he brought his charming four-year-old son X onstage.

Indian-origin entrepreneur Vivek Ramaswamy may be considering stepping down from his role at the Department of Government Efficiency, which is co-led by Tesla CEO Elon Musk. Reports suggest he might be eyeing a Senate seat in Ohio,

In the latest incredibly goofy turn of Elon Musk being accused of cheating at video games, he’s now being defended by an unlikely source, his ex-girlfriend.

Donald Trump and Elon Musk loom large over this year's World Economic Forum in Davos.

The Securities and Exchange Commission has sued Elon Musk over his delayed disclosure of the Twitter stock he amassed before announcing his intention to acquire the company in 2022.

ByteDance, TikTok’s parent company, is required to sell the app to a U.S.-based buyer or face a nationwide ban.

Elon Musk continues to champion right-wing politics in Europe.

Han Zheng is scheduled to attend the celebrations in Washington D.C. on Monday and is the most senior Chinese official to attend a U.S. inauguration.

Trump's former chief strategist told ABC Sunday he believes the billionaires' inauguration attendance is an "official surrender" to the next administration.

Multiple celebrities have criticized Musk for his political involvement as well as the changes he's made to X since purchasing it.