Elon Musk has officially expanded his business empire by merging SpaceX and xAI into a single entity, valuing the combined company at $1.25 trillion. The announcement quickly went viral, partly due to a humorous reaction from YouTube star MrBeast about the new ownership of the social media platform X.

"To the stars! @SpaceX & @xAI are now one company,” Musk tweeted in response to xAI’s official announcement. MrBeast responded jokingly, “So I’m now posting on a SpaceX-owned site? lol.” The merger has sparked a wave of reactions online. One user asked, “Will you do the first YouTube video on Mars?” Another remarked, “This isn’t just a merger—it’s the first time a civilization has combined a global nervous system (X), extraterrestrial sensory organs (SpaceX), and a real-time reasoning layer (xAI). We’re witnessing a species building reflexes, not a company growing.”

Others expressed confusion and curiosity. One wrote, “If something happens to Elon and you’re the owner of X, does that include SpaceX or just Twitter?” referencing MrBeast’s tweet asking Musk if he could be the next CEO of X. Another noted, “The merger involves SpaceX and xAI, not X directly, but it will be interesting to see how these ecosystems integrate in the future.”

Musk explained that xAI joined SpaceX to “Accelerate Humanity’s Future.” The statement described the merger as creating “the most ambitious, vertically integrated innovation engine on and off Earth, combining AI, rockets, space-based internet, direct-to-device communications, and the world’s leading real-time information and free speech platform.” Musk added that this marks “not just the next chapter, but the next book in SpaceX and xAI’s mission: to create a sentient sun to understand the Universe and extend consciousness to the stars.”