“The right to engage in open debate and fact-based examinations of powerful public figures is protected by the First Amendment — something that should be recognized and defended by all Americans, including the associates of Elon Musk, who has proclaimed himself to be a ‘free speech absolutist,’” the statement continued.

Space Exploration Technologies (NASDAQ: SPCX) was one of the biggest IPOs ever, with the company going public at a $1.8 trillion valuation, and an initial surge of buying sent SpaceX's valuation as high as $2.7 trillion.

Elon Musk said that SpaceX engineers building data centers was like the New York Yankees playing a Little League team.

The Venice Film Festival has hosted the premiere of major documentary-maker Alex Gibney's provocative new profile of the richest man on Earth. Here are five key takeaways.

In the beginning, Elon Musk preferred to be known as an engineer. Not a CEO, not a tech-industry titan, not a future trillionaire or free-floating agent of chaos who seemed to be engaging in Bond-villain cosplay.

Elon Musk is running two separate companies toward the same AI finish line, but their strategies, cash positions, and timelines could not be more different. One already earns revenue from compute today while the other burns billions building the infrastructure it needs just to compete.

Elon Musk's Boring Co. is turning to the Middle East for funding as it pursues an ambitious project in the United Arab Emirates. The company said it raised $3 billion in funding at a $23 billion valuation with backing from the UAE and a roster of longtime Musk supporters.

A Study of Collaboration in the Trump Era,’ Jacob Weisberg paints a revealing portrait of Bezos, from a science-fiction-loving schoolboy with dreams of being an astronaut to a billionaire hell-bent on getting what he wants.

By Cassell Bryan-Low LONDON, Sept 10 (Reuters) - Britain has spent nearly $40 million on SpaceX satellite services, deepening its reliance on Elon Musk's company for military communications despite growing European concerns about dependence on U.