SpaceX is now sitting at the top of the U.S. private company pyramid after launching a secondary share sale that pushes its internal valuation to $800 billion, according to The Wall Street Journal. That figure instantly knocks OpenAI down to second place and gives Elon Musk’s space and satellite giant a valuation double what it

Sam Altman, CEO of OpenAI (OPENAI), explored a surprise move into the space sector by either acquiring or partnering with a rocket company called Stoke Space,