Cutting corners: The jet engine – once a symbol of speed and flight – is finding new life on the ground, fueling the world's artificial intelligence infrastructure. Faced with long delays in ...

AI might be invisible in the apps I use every day, but the physical footprint behind it is getting hard to ignore. As data centers race to feed ever-larger models, their electricity needs have grown ...

Artificial intelligence is supposed to be the clean, digital brain of the modern economy. Instead, the race to build ever larger AI data centers is colliding with the physical limits of power grids, ...

Data center logistics are becoming harder and harder to fathom as the centralization of compute power continues to scale beyond all reasonable proportions. We've reported extensively on the incredible ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...