Aug 30 Sun

More than a dozen people are feared missing after powerful flash floods swept through the Grand Canyon, the National Park Service said Sunday. One hiker recounts being airlifted from the campground after the floodwaters forced dozens of people to evacuate. NBC News' Dana Griffin has the latest. A U.S. official tells NBC News that U.S. forces struck two Iranian launchers that were preparing to put sea mines into the Strait of Hormuz today, marking the first attacks of the Iran war in weeks. NBC News' Yamiche Alcindor reports. The desperate, all-out search for survivors after deadly floods hit Nepal entered a critical new phase on Sunday. Our team on the ground spoke with a Massachusetts man who just arrived there to look for his wife. NBC News' Janis Mackey Frayer reports. NASA on Sunday launched a next-generation telescope into space that is expected to survey hundreds of millions of stars and billions of galaxies. Its findings could also unlock clues about dark energy and dark matter, and some of the universe's biggest enigmas. NBC News' Ryan Chandler reports. Near Louisville, Kentucky, Lucas Sweeten has a unique eye. In his workshop, he turns ordinary objects into the extraordinary, including his own home, which was once a school bus. Now he's working with students at a local high school to transform other buses to serve their community. NBC News' Ryan Nobles has the story.