Going To Mars with NASA director Laurie Leshi...

Team Simon here! While A Bit of Optimism is on a short break, we’re revisiting a few episodes you helped make some of our favorites. We’ll be back with brand-new conversations next week, on March 24th, 2026. In the meantime, we’re bringing back an episode that explores a word mos ...  Show more

Hello from Team Simon! We’re taking a short hiatus, but A Bit of Optimism will return with brand-new episodes March 24th. In the meantime, we’re revisiting some of our favorite episodes. Episodes that many of you who listened, shared them, and told us what resonated. This week, w ...  Show more

2021 was another year of firsts in the ever-expanding industry around space, as we moved towards space tourism as a reality. But what about NASA, and its plans to return to the moon? We hear all about it, and the space agency’s ambitious plans for not just the moon, but mars; fro ...  Show more

When you think of NASA, you might think of astronauts, but NASA employs tons of people whose jobs are also important to the agency. Take a listen to Kirsten Larson, former NASA public affairs officer, now children's author, who gives us a behind-the-scenes peek into how NASA help ...  Show more

How does an astronaut prepare physically and mentally to launch into space? NASA astronaut Megan McArthur, who will take part in the SpaceX Crew-2 mission later this month, shares stellar life lessons on how to cultivate the resolve to do incredible things through preparation -- ...  Show more

Could there be life under the icy surface of Europa? Neil deGrasse Tyson and comic Chuck Nice explore interplanetary missions, asteroid mining, and other exciting launches with the Director of the Jet Propulsion Laboratory, Laurie Leshin.

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