

This Week in Space (Audio)
TWiT
The new space age is upon us, and This Week in Space leaves no topic untouched. Every Friday, join Editor-in-Chief of Ad Astra magazine, Rod Pyle and Managing Editor of Space.com, Tariq Malik as they explore everything related to the cosmos. You can join Club TWiT for $10 per month and get ad-free audio and video feeds for all our shows plus everything else the club offers...or get just this podcast ad-free for $5 per month.
New episodes posted every Friday.
New episodes posted every Friday.
Episodes
Mentioned books
10 snips
Nov 14, 2025 • 1h 14min
TWiS 186: Snow on the Moon? - With Dr. Jim Green, Former NASA Chief Scientist
Dr. Jim Green, former NASA Chief Scientist and expert in lunar evolution, joins the discussion on the Moon's surprising potential for having snow billions of years ago due to a dense primordial atmosphere. He delves into the interplay between the Earth and Moon's magnetic fields and the implications for early lunar conditions. The chat also covers the importance of NASA's VIPER rover in analyzing polar ices, the fascinating evidence of lunar outgassing, and how ancient lunar weather could have shaped the surface we see today.
8 snips
Nov 7, 2025 • 57min
TWiS 185: Gutting Goddard - Dismantling a NASA Center
Josh Dinner, an investigative reporter at Space.com, dives into the turmoil at NASA's Goddard Space Flight Center, highlighting alarming budget cuts and staff furloughs. He reveals the deteriorating state of crucial climate science programs and the accusations against NASA's leadership for illegal preemptive measures. The discussion touches on implications for missions like Hubble and the loss of institutional knowledge. Dinner emphasizes the importance of public advocacy and the potential ramifications of congressional budget decisions on NASA's future.
8 snips
Oct 31, 2025 • 1h 15min
TWiS 184: Space is Scary! - Halloween Movies About Space
Explore the terrifying side of the cosmos as the hosts dissect both classic and cringe-worthy space horror movies. From the chilling 1950s films like 'The Thing from Another World' to modern scares in 'Event Horizon' and 'Apollo 18,' they rate the best and worst in space-based fright. Discover how iconic themes from 'War of the Worlds' resonate with today's fears, and marvel at the real-life terror of the Apollo 13 mission. Plus, lighthearted mentions of B-movies make for a fun, spooky ride!
19 snips
Oct 24, 2025 • 1h 11min
TWiS 183: Lunar Lander Wanted! Apply Within - Artemis III Contract Opening Up?
Mike Wall, a senior space reporter at Space.com, brings his expertise to discuss NASA's reopened contract for the Artemis III lunar lander. He dives into Elon Musk's provocative responses and details the technical challenges facing SpaceX's Starship. The conversation highlights the urgency spurred by China's lunar ambitions and the geopolitical pressures affecting U.S. milestones. Wall also touches on how a potential government shutdown could impact the Artemis program and warns against assuming smooth progress in future missions.
17 snips
Oct 17, 2025 • 1h 17min
TWiS 182: The Dream is Alive - With NASA Astronaut Terry Hart
Join former NASA astronaut Terry Hart, an aerospace pioneer and educator, as he recounts his incredible journey from Air Force pilot to the first shuttle rendezvous with the Solar Max satellite. He shares behind-the-scenes stories from filming the IMAX feature 'The Dream is Alive', discusses the evolution of on-orbit servicing, and reflects on the safety culture in human spaceflight. He also talks about the exciting new aerospace program at Lehigh University, his thoughts on NASA's shift toward commercial space, and the potential future of missions with Orion.
Oct 10, 2025 • 59min
TWiS 181: World Space Week - A UN-Established Global Celebration of Space
In this conversation with Alma Okpalefe, the Executive Director of the World Space Week Association, listeners learn about the vibrant global celebration of space established by the UN. Alma shares her inspiring journey from legal counsel in Nigeria's satellite programs to leading initiatives that promote accessibility and inclusion in the space sector. The theme for 2025, 'Living in Space,' resonates widely, as she discusses various educational outreach activities and the importance of inspiring the next generation of space enthusiasts.
7 snips
Oct 3, 2025 • 1h 9min
TWiS 180: NASA is Closed for Business - And Other Top Space Stories
This week, the discussion kicks off with the chaos of NASA's shutdown and its impact on missions. The controversial dismantling of the space shuttle Discovery in Texas raises eyebrows. China's ambitions in retrieving Mars samples spark security concerns. Listeners learn about near-Venus asteroids that could pose hidden threats to Earth. Exciting close-up shots of the interstellar comet 3I/ATLAS captivate the audience, while the James Webb Telescope reveals fascinating weather patterns on a rogue exoplanet. It's a wild ride through the cosmos!
11 snips
Sep 26, 2025 • 1h 8min
TWiS 179: The New Crew of Artemis II - Who Will Fly to the Moon in 2026?
Josh Dinner, a Space.com reporter, shares insights from the Artemis II press events and the unveiling of NASA's new astronaut class. He discusses the crew's diverse backgrounds and their upcoming mission to loop the Moon in 2026. Get a behind-the-scenes look at Artemis II's mission profile, the unique free return trajectory, and the challenges of engaging a modern audience. Josh also reflects on the new astronaut candidates, including Lauren Edgar, and the broader implications of these missions in today's society.
Sep 19, 2025 • 1h 1min
TWiS 178: Tell It to the Mountain - Astronaut and Senate Hopeful Terry Virts Says NASA Needs a Major Rethink
There's a very elite club in astronaut circles, one in which former astronauts go on to political careers. The most elite are senators, and so far, John Glenn, Harrison Schmitt, and Mark Kelly have been members, and may soon be joined by Terry Virts, a former shuttle and ISS astronaut. He's got a lot to say about today's NASA, the budget, the Artemis program (he was the astronaut embedded with the SLS rocket program back in 2011), and much more. Col. Virts is also an author and filmmaker, among his other pursuits. Join us for the enlightening episode.
Headlines:
• Ukraine Destroys Russian Military-Used Radio Telescope in Crimea
• China's Surge in Spaceflight Triggers New Warnings About U.S. Competitiveness
• Stunning New Black Hole Images Revealed by Event Horizon Telescope
• Partial Solar Eclipse Coming, Visible Most Spectacularly to Penguins
Main Topic: Interview with Colonel Terry Virts—Astronaut and Senate Candidate
• Highlights of Terry Virts' Career: Air Force, Shuttle & Soyuz Missions, Space Station Command
• Motivation Behind Virts' Run for U.S. Senate in Texas
• Threats to American Democracy, Middle-Class Issues, and Human Rights Priorities
• How Astronaut and Military Experience Prepares Him for Political Office
• Views on the U.S. Space Program: Budget Cuts, Program Delays, and China's Lunar Ambitions
• Specific Critiques of Artemis, SLS, and Lunar Lander Strategies
• Advice for Aspiring Astronauts and Reflections on NASA's Challenges
• The ISS at 25: Collaboration, Science Achievements, and Personal Lessons Learned
• Space, Star Trek, and Geek Culture Moments from Virts' NASA Years
Hosts: Rod Pyle and Tariq Malik
Guest: Terry Virts
Download or subscribe to This Week in Space at https://twit.tv/shows/this-week-in-space.
Join Club TWiT for Ad-Free Podcasts!
Support what you love and get ad-free shows, a members-only Discord, and behind-the-scenes access. Join today: https://twit.tv/clubtwit
8 snips
Sep 12, 2025 • 1h 4min
TWiS 177: Life on Mars? - With Dr. Michael Tice
Dr. Michael Tice, a planetary geologist from Texas A&M and co-author of a groundbreaking paper on Martian biosignatures, shares insights on the potential discovery of ancient life in Jezero Crater. He explains the significance of unusual 'leopard spots' and the rigorous process involved in analyzing Martian samples. The dialogue explores the debate over biological versus abiotic origins of these findings and the challenges of confirming life without returning samples to Earth. Tice also looks ahead to future Mars missions and the ongoing quest for extraterrestrial life.


