U.S. Catholic bishops gathered in Baltimore, where they elected new leaders, responded to Pope Leo's call to speak on immigration and issued new directives on transgender care for Catholic hospitals.
Forty years after the Nevado del Ruiz volcano wiped out the town of Armero, the ghosts of Colombia's deadliest tragedy still haunt its slopes, and families are still searching for lost children.
Now that the government shutdown is over, federal number crunchers are back at work. It could take time, though, to make up for the jobs reports and inflation scorecards we missed in the last 6 weeks.
Emily Kwong and Regina Barber of NPR's Short Wave discuss new findings about the ocean of Saturn's moon Enceladus, the secrets behind chameleons' eye movements and the energy use behind AI computing.
Harvard University officials have recently raised the alarm on grade inflation. More than 60% of grades awarded to students have been A's. That's up 25% from two decades ago.