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U.S. stocks slipped after the Federal Reserve held its main interest rate steady and broke a run of cuts that began in ...

A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday, tearing through the air tens of thousands of feet above the Mojave Desert and a crowd of ...

Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the first civil aircraft to break ...

A frenzy over an artificial intelligence chatbot made by Chinese tech startup DeepSeek was upending stock markets Monday and ...

A breakthrough Chinese chatbot has sparked alarm about the country’s advances in artificial intelligence (AI) and wiped close ...