OpenAI has taken a major step toward Wall Street by confidentially filing for an initial public offering with the U.S. Securities and Exchange Commission. The move could lead to one of the largest public listings in market history, with the ChatGPT maker reportedly valued at more than $850 billion. Although OpenAI has not confirmed when it plans to go public, the confidential filing allows regulators to review its financial disclosures before they are eventually made public t

Impulse Space has raised $500 million in Series D funding, giving the fast-growing rocket engine and spacecraft startup new momentum in the race to make space transportation faster, more flexible, and more affordable. The company was founded in 2021 by Tom Mueller, the propulsion expert known as SpaceX’s first hire and a key figure behind the company’s rocket engine development. Since its founding, Impulse has now raised more than $1 billion, showing strong investor confidenc

SpaceX’s long-awaited IPO filing shows a company aiming to be much more than a rocket business. The company, founded by Elon Musk 24 years ago, is preparing to go public on the Nasdaq under the ticker “SPCX” in what could become the largest IPO ever. Reports suggest the offering could raise around $75 billion and value SpaceX at nearly $1.75 trillion to $2 trillion. For investors, the bet is not only on SpaceX’s current success with rockets and satellites, but also on Musk’s

A growing fight over the future of space is putting astronomy, environmental protection, and technological ambition on a collision course. Astronomers are sounding the alarm over two proposals now under review by the U.S. Federal Communications Commission: Reflect Orbital’s plan to launch tens of thousands of giant mirrors into orbit and SpaceX’s vision for up to one million satellites designed to support artificial intelligence and orbital data processing. Scientists warn th

OpenAI CEO Sam Altman is reportedly exploring an unusually literal way to scale artificial intelligence: putting parts of its computing infrastructure in space. According to reporting summarized by multiple outlets, Altman has shown interest in building a space oriented business not to pursue Mars colonization, but to support AI data centers that could draw abundant solar energy and potentially reduce the environmental burden that earthbound facilities create (Smith; “Sam A