By Joey Roulette WASHINGTON, Feb 13 (Reuters) - The space race between U.S. billionaires is heating up, with Elon Musk's ...

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.

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 ...

High turnover in the AI industry has not been unusual in recent months—with researchers often jumping ship to rival labs or ...

Following the departures of two cofounders, Elon Musk held an all-hands meeting with xAI staffers — and talked about data centers in space again.

At least nine engineers, including two co-founders, have announced their exits from xAI in the past week, fueling online speculation and raising questions about stability at Musk’s AI company amid ...