The U.S. Dept. of Energy’s Office of Nuclear Energy has spelled out several areas that present challenges to domestic and global development of nuclear power. Chief among those issues is building a ...

Ammonia has been feeding the world for decades as a fertilizer and is now rapidly emerging as a carbon-free fuel for shipping and industry. But if we focus only on CO₂ emissions, we risk creating new ...

We spend a lot of time thinking about the difficult people in our lives—the friend who can't take feedback, the partner who always has to be right, the coworker who turns everything into a fight. But ...

Welcome to our guide to the commodities driving the global economy. Today, Oil Markets Editor Rachel Graham looks at why Europe’s airlines are reducing the number of scheduled flights before their ...

One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...

What are the most pressing global crises in 2026? Each year, the International Rescue Committee’s (IRC) Emergency Watchlist identifies the countries at greatest risk of new or worsening humanitarian ...

Microsoft’s MSFT-0.63%decrease; red down pointing triangle Copilot chatbot has become central to its artificial-intelligence strategy as the company’s close partnership with OpenAI diminishes. But the ...

Amateur mathematicians are using artificial intelligence chatbots to solve long-standing problems, in a move that has taken professionals by surprise. While the problems in question aren’t the most ...

AI agents are supposed to make work easier. But they’re also creating a whole new category of security nightmares. As companies deploy AI-powered chatbots, agents, and copilots across their operations ...

In October 2024, news broke that Facebook parent company Meta had cracked an "impossible" problem that had stymied mathematicians for a century. In this case, the solvers weren't human. An artificial ...

The busy box that is your brain is hard at work all day long—and it doesn’t quit when you’re asleep. Not only does your brain fill your slumber with dreams, it also goes right on solving the problems ...

The weaknesses that led xAI’s Grok to make violent and antisemitic posts can be managed, but only if people want to do so. You may have heard that the AI chatbot for X this month posted instructions ...