All episodes
419: DragonCon 2016 Live: Rocket Girls
418: I'm a Teapot
417: Expectation: Failed
416: Fireballs from Space
415: The Temperature of the Universe
414: Navigating Far
413: Navigating Near
412: The Color of the Universe
411: The Science of Sunset Colors
410: Planet Nine - Facts & Fiction
409: Spin in the Solar System
408: Universal Cannibalism
407: Galactic Cannibalism
406: Stellar Cannibalism
405: Method Not Found
404: What We Know, What We Don't Know, & What We Can't Know
403: Funding Big Science
402: Gravity Eyes - See the Invisible with the Force
401: Future Predictions
400: The State of the Universe
399: Women in Science
398: Seeing Things
397: Why is There Something and Not Nothing?
396: Family Astronomy for the Holidays
395: Baryons & Beyond the Standard Model
394: Bosons
393: The Standard Model - Leptons & Quarks
392: The Standard Model
391: Entropy
390: Occam's Razor & the Problem with Probabilities
388: Megastructures
389: Roundtable with Paul M. Sutter
387: Water on Mars (Again)
386: Orbiting Observers
385: Rovers on the Run
384: Escaping Probes
383: Approaches to Absolute Zero
382: Degenerate Matter
381: Hollowing Asteroids
380: The Limits of Optics
379: Fermi's Atom Splitting
378: Rutherford Atoms
377: Thomson Finds the Electron
376: The Miller-Urey Experiment
375: The Search for Life in the Solar System, with Morgan Rehnberg
374: The Stern-Gerlach Experiment
373: The Becquerel Experiment
372: The Millikan Oil Drop Experiment
371: The Eddington Eclipse Experiment
370: Kaufmann Bucherer Neumann Experiments
369: The Fizeau Experiment
368: Searching for the Ether Wind (The Michelson–Morley Experiment)
367: Spitzer Does Exoplanets
366: HARPS
365: Gaia
364: COROT
363: Where Did Earth's Water Come From?
362: Carolyn Porco
361: Maria Zuber
360: Jocelyn Bell Burnell
359: Margaret Geller
358: Sandra Faber
357: Vera Rubin
356: Inertia
355: 3D Printing Exploration
354: Comet Siding Spring vs. Mars
353: Seasons and Saturn
352: Water, Water Everywhere
Live from DragonCon 2014
351: Asteroid Adventures
350: Spaceship One
349: Mercury 7 Astronauts
348: 2 Independence Square, the NASA Headquarters
Live from Balticon
346: Area 51
345: Launch Complex 39
344: Saturn's Rings
343: The Universe is Trying to Kill You
342: Sunsetting Spacecraft
341: The 45th Lunar and Planetary Society Conference, with Alessondra Springmann
340: Warner von Braum
339: Space Conspiracy Theories
338: Copernicus
337: Photometry
336: Units of Measure
335: The Photoelectric Effect
334: Chelyabinsk, One Year Later
333: When Worlds Collide
332: Stellar Collisions
331: Arthur C. Clarke's Ideas and Technology
330: Arthur C. Clarke
329: Telescope Making, Pt. 3
328: Telescope Making, Pt. 2
327: Telescope Making, Pt. 1
326: Atmospheric Dust
325: Cold Fusion
324: Sun Grazers
323: Isotopes
322: SOHO
321: Solar Flares