Comet 3I/ATLAS – which is said to be the size of Manhattan – is becoming the center of global debate. And recently, Elon Musk ...

Elon Musk's brilliant plan for saving us from climate change involves a little help from a swarm of friendly AI satellites.

The United States and China are locked in a contest to be the first country to send humans to the lunar surface in half a ...

The Moon landing was first envisioned to happen in 2024, then this year, and then it was postponed to next year. At the end ...

The CEO of the largest satellite company in the world just proposed a bold—and totally misguided—solution to the climate ...

Mars makes for great mythology, but the physics is stubborn: even after extreme disasters on Earth, our home world remains ...

Tech billionaire Elon Musk on Monday launched an online encyclopedia, named Grokipedia, that he said was fueled by artificial ...

Elon Musk wants to be anointed the world’s first trillionaire—but he swears it’s not about the money.

Shareholders will vote in early November on whether to approve Elon Musk's unprecedented pay package, which could make him ...

Mr. Musk’s supporters say he may quit if shareholders don’t approve a trillion-dollar package. Some investors say it’s ...

Elon Musk's partisan stances and foray into politics in recent years have dented the electric vehicle maker's business, Yale ...