As global temperature increase shoots past 1.5 degrees Celsius, the vulnerable countries that fought for that Paris Agreement target face a brutal new reality.
Plus, the man who went to space — and never wanted to go back.
Companies at the forefront of artificial intelligence in Asia, Europe and the United States posted declines after tech leaders expressed worries about the safety of “frontier” A.I. technology.
Current chatbots aren’t likely to help lone actors invent a deadly pathogen, experts say. But newer models, trained in biology, may need stronger safeguards.
Persistent distractions are feeding a climate of mistrust as the U.S. military faces a series of wartime issues, including shortfalls of missile interceptors.
Senator Dan Sullivan of Alaska has shown quiet support for President Trump’s tariffs. His brother, the head of their family business, has described the economic volatility as an enormous challenge.
Senator Kirsten Gillibrand of New York is devoting a hearing to a topic that affects millions but is poorly understood and widely ignored, including when it comes to federal research money.
NBC is broadcasting the Monday night ceremony, which will be hosted by Mariska Hargitay.
Starting Sept. 21, we’ll unveil a list of 100, as voted on by more than 500 television professionals in Hollywood and around the world. Make sure you’re getting updates.
City officials — and one determined mother — are working to stop the spread of cychlorphine, which is far more potent than fentanyl.