In this episode of Space on Earth, the team dives into the icy world of comets, the frozen leftovers from the birth of our solar system. They share what comets are made of, how their glowing tails form, and how these ancient travelers may have helped seed life on Earth. You’ll also learn how to spot two real comets visible right now, C/2025 A6 (Lemmon)and C/2025 R2 (SWAN), plus get tips for stargazing and tracking them in the night sky.

This episode dives deep into the wonders and mysteries of Mars, exploring the Red Planet from every angle. Listeners learn about its size, gravity, seasons, and extreme temperatures, as well as its dramatic surface features like Olympus Mons and Valles Marineris. The hosts discuss Mars’ thin atmosphere, shifting dust storms, and long-gone rivers and lakes, raising the question of whether life once thrived there. The conversation highlights robotic missions that have transformed our understanding of Mars, the cultural fascination with the planet in both myth and science fiction, and the ambitious plans to one day send humans through massive projects like Starship. Both scientific detail and cultural context come together, making this an engaging journey into why Mars captures so much human curiosity and imagination.

In this special episode, our hosts (Shaylee, Tulsi, Hattie Rose, and Wyatt) talk with Los Alamos National Lab astrophysicist Nicole Lloyd Ronning about gamma-ray bursts, black holes, and what the early universe can tell us today. We dig into career paths, astronaut dreams, and the big question—are we alone?