Sam Altman took a swipe at Elon Musk, saying his “obsession” proves GPT-5.6 Sol is the world's best AI model as OpenAI ...

Elon Musk revived his feud with Sam Altman, accusing him of stealing Apple's phone tech as the two tech leaders exchanged ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

China's state-owned space company recovered its first orbital rocket booster after launch.

A look at the science behind Elon Musk's goal of a million-person city on Mars, and why planetary scientists say terraforming ...

China achieved a significant aerospace milestone by successfully landing its Long March rocket's first stage. This historic ...

Elon Musk has laid out another far-reaching vision for SpaceX, saying the company could return humans to the Moon within the ...

China's Long March rocket has now matched Elon Musk's SpaceX and Jeff Bezos' Blue Origin in returning a first-stage booster.

What is the Kardashev Scale? Elon Musk sees it as a vision for humanity's future, but scientists say the reality is more ...

Environmental groups are urging federal regulators to review risks of satellite-based data centers proposed by Elon Musk and ...

Musk acknowledged that other aerospace companies are building good rockets, but his issue with them was none of them were pursuing technology that would make humanity an inter-planetary civilization.

Elon Musk sat for a CNBC segment last week ahead of the largest IPO in history, and he did something a little odd for someone about to ask public markets for close to $75 billion. He talked about ...