New Tumble episodes are coming next month, in Season 6! For now, please enjoy one of our favorite episodes of Season 5, with NASA astronaut Dr. Serena Auñon-Chancellor. How do you become an astronaut? That’s what Tumble listener Margaret wants to know. We go straight to the source to get an answer: A NASA astronaut! Dr. Serena Auñon-Chancellor shares her journey to outer space with us. Starting from being a kid watching shuttle launches, to her school’s Astronaut Club, all the way to NASA’s Astronaut Candidate program, and finally to the International Space Station. Serena also shares the surprising truth about doing science research in space. Join us on her path to the stars!