Heat threatens US 250th celebrations, Russian advances slow as Ukraine hits back, infighting risks derailing Democrats' House hopes.

The heat dome encasing much of the eastern U.S. is reviving concerns about protecting workers from the heat. Many states have laws in place but some, including Florida, have rolled them back.

NPR's Student Podcast Challenge asked students around the country to reflect on the nation's 250th anniversary. Here are our winners from the younger grades.

Nearly four and a half years after Vladimir Putin launched his full-scale invasion of Ukraine, Russia's frontline advances have slowed almost to a halt as Ukrainian counterattacks and defensive tactics become increasingly effective.

After 90 minutes of play, the electronic board signaled 10 minutes of added time, and it was difficult to imagine at that point just how much drama would be packed into the coming minutes.