By Joey Roulette WASHINGTON, Feb 13 (Reuters) - The space race between U.S. billionaires is heating up, with Elon Musk's SpaceX planning to build a lunar base and Jeff Bezos pushing Blue Origin's ambitions as both companies aim to return humans to the moon ahead of a planned mission by China in 2030.

Elon Musk shifts SpaceX’s focus from Mars to building a self-growing city on the moon, citing speed, strategy, and rising competition from China.

Law firms representing the NAACP sent xAI a notice of intent to sue over alleged Clean Air Act violations in Mississippi.

Elon Musk’s bankers are working on a potential financing plan after the merger of SpaceX and xAI that could trim some of the heavy interest costs that the billionaire racked up in recent

Bitcoin, which is secured by a network of so-called miners who use powerful computers to validate transactions in return for newly issued bitcoin, uses as much electricity each year as some small countries, with its energy demands climbing along with its price as more miners join the network.

Elon Musk accuses Anthropic's AI models of being "misanthropic and evil," claiming competitor's Claude models exhibit racial and demographic bias.

National Labor Relations Board says it does not have legal oversight of SpaceX and dismisses case