“If you are a mathematician,” one of the world’s leading mathematicians recently wrote, “you may want to make sure you are sitting down before reading further.” And you’ll definitely need to sit down ...

After 80 years of fruitless struggle by human mathematicians, a major geometry conjecture has at last been solved—via a straightforward query to a chatbot. “No previous AI-generated proof has come ...

May 18-24: As the federal government halts plans to address climate change, states, cities, regions, and even neighborhoods are trying to fill the gap, by cutting climate pollution and adapting to ...