Award-winning science fiction author Jack McDevitt discusses how we can imagine a universe where human space travel is not limited to the speed of light, and our civilization can explore the galaxy and beyond.

We ask Caity from our Charles Hayden Planetarium what the universe's speed limit is, and how that limits our ability to explore the beyond the solar system.

Did life ever exist on Mars? The Perseverance rover is working hard to find out by studying rocks on Mars, and we ask NASA geologist Katie Stack Morgan which rocks could tell us definitively that Earth is not the only living planet in the universe.

What happened when inadvertent thruster firing caused the International Space Station to spin completely around in July 2021? And what is the future of this decades-old orbiting laboratory?

It turns out that all tortoises are turtles, but not all turtles are tortoises - we go to museum educator Karen to tell us how to spot the difference as well as learn about the amazing adaptations of both.

We ask Pascal Cotte, an engineer who specializes in light, how his multi-spectral camera has unveiled Leonardo's methods when painting the famous Mona Lisa.

We ask leading paleontologist Dr. Jingmai O'Connor to tell us everything she knows about feathered dinosaurs.

We talk with graduate student Markia Smith about her research in cancer and genetics, understanding health disparities in historically marginalized populations, and why she chose these areas of study.

We ask Lauren Etter from Boston University about how efforts to build trust and ensure equitable access to healthcare led to the development of an artificial intelligence system that uses images of ears to identify patients in remote communities.

Part Two of our conversation with shark researcher Dr. Catalina Pimiento, where we find out why this fifty foot long super-predator disappeared from the oceans.