Most AI tool workflows send the model far more data than it needs. The fix is a simple shift that cuts waste without cutting ...

Ukraine has changed how militaries use Patriot systems. But recent attacks prove that clever adaptations cannot overcome a shortage of interceptors. By Siobhán O’Grady and Liubov Sholudko China’s ...

Ballistic missiles were fired into the capital of Ukraine as Russia launched its second major attack in less than a week. At least 12 people were killed, officials said. By Carlotta GallStanislav ...