Artificial intelligence is colliding with a hard physical limit: the energy it takes to move data on and off chips. Training ...

For decades, chipmakers have squeezed more computing power out of silicon by shrinking transistors, but that strategy is running into hard physical limits. A new approach from MIT aims to sidestep ...

Climate news wasn’t great in 2025. Global greenhouse-gas emissions hit record highs (again). It’s set to be either the second or third warmest on record. Climate-fueled disasters like wildfires in ...