Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...

Some are describing Trump's recent orders as part of a campaign to reshape the military itself. But with an institution as vast as the Pentagon, the extent of the changes remain to be seen.

One thing that was impossible to miss -- as fires raged through L.A. -- was the fight from the air. Officials say it might have been the largest number of aircraft at a fire event, ever.

NPR's Ailsa Chang speaks with country artist Charley Crockett about his first ever Grammy nomination, for Best Americana Album, for his record $10 Cowboy.