K2-18b, Gravitons & The Comet Conundrum: A Co...

Solar Curiosities, Stellar Siblings, and the Quest for Sun MissionsIn this enlightening episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson dive into a plethora of solar-themed questions submitted by their curious audience. From the intriguing arc of the sun acr ...  Show more

Challenger Remembrance, Australian of the Year, and the Mystery of Massive MoonsIn this poignant episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson reflect on the 40th anniversary of the Challenger space shuttle disaster, sharing their memories and insights abo ...  Show more

Science doesn’t always get it right the first time—and that’s part of the journey. In this anniversary episode, we explore how ideas about nerve damage, sustainable materials and alien life have done a full 180. Recommended Reading Celebrating 180 Years of Scientific American 180 ...  Show more

The black hole at the center of our galaxy is emitting near-constant, random light. The European Space Agency has approved astronaut candidate John McFall, making McFall the first physically disabled candidate to be cleared to fly. The risk of asteroid 2024 YR4 hitting Earth rose ...  Show more

The Gaia spacecraft stopped collecting data this January after about 11 years and more than three trillion observations. Senior space and physics editor Lee Billings joins host Rachel Feltman to review Gaia’s Milky Way–mapping mission and the tidal streams, black holes and astero ...  Show more

What happens when a real-life astronaut turns to fiction? In this episode, Chris Hadfield shares how decades of spaceflight and global diplomacy inspired his latest novel, Final Orbit, a cold war thriller packed with historical intrigue and technical precision. Host Rachel Feltma ...  Show more