Tune in for the Earth-to-space call between California students and astronauts aboard ISS Published NASA Mars Landing Video: NASA releases footage of Mars 2020 Perseverance touching down on the Red Planet LOS ANGELES - Eager students and potential space explorers from local California schools will get the opportunity to hear from NASA astronauts currently stationed aboard the International Space Station (ISS). Anyone can watch the Earth-to-space call on NASA Television, the NASA app, and the agency’s website when it airs live at 12:35 p.m. EDT on Thursday, March 18. NASA astronauts Victor Glover and Shannon Walker will answer prerecorded questions from K-12 students from seven California school districts, NASA says.