July 20, 2019 - PBS NewsHour Weekend full episode

On this edition for Saturday, July 20, NewsHour Weekend takes the show on the road to Houston, Texas, where we talk to NASA experts about the future of manned space travel, and look at how moon rocks collected decades ago continue unveiling new discoveries. Hari Sreenivasan anchors from Johnson Space Center 50 years to the day that Neil Armstrong became the first person to walk on the moon.