All Episodes

237: Why does an asteroid hit the Earth? And why so big?

236: Are there rainbows on other planets? (Part II)

235: Why is the sun hot?

234: How many stars are there in space?

232: Are there rainbows on other planets?

232: How many potholes are on an asteroid?

231: How big is space?

230: What is the fastest planet?

229: What do asteroids smell like?

228: Do other planets really have diamond rain?

227: What is the fastest asteroid?

226: The intersection of computer science and astronomy with Dr. Kubica

225: A newly discovered Martian volcano with Dr. Lee

224: Aurora borealis with Tina Ibsen

223: Preparing for something we haven't seen yet with Dr. Holt

222: Measuring the emptiness of space with Dr. Becker

221: The queens of heaven with Prof. Tauris

220: Walking on the roof of hell with Prof. Stanley

219: Breaking the models with Dr. Merrison

218: Anything we try is new with Dr. Cable

217: A beautiful experience with Dr. Villanueva

Bonus: Carrie's research update

216: Right and wrong theories in planetary science with Prof. McKinnon

215: Naming asteroids with Dr. Williams

214: Astronauts on the moon with Dr. Denevi

213: The Six with Loren Grush

212: A scientific legacy with Dr. Blaney

211: The Sparkler Galaxy with Prof. Mowla

Bonus episode: The upcoming American total solar eclipse

210: Wonders of the Night Sky with Prof. Prinja

209: Mission to the largest moon in the solar system with Dr. Witasse

208: Cosmic tug of war with Dr. Plazas Malagón

207: One of the stranger surfaces in the solar system with Dr. Cartwright

206: Every asteroid observation ever taken with Dr. Veres

205: The moon's right to exist with Dr. Prem

204: Light Pollution with Kelly Beatty

203: 11 hours and 23 minutes with Dr. Chabot

202: Making atmospheres with Prof. Telus

201: International space law with Cordula Panosch

200: Pluto is a planet, and so is its moon with Dr. Runyon

199: Why can't we find Planet Nine with Prof. Lawler

198: Dragonfly with Dr. Turtle

197: A massive asteroid hit at tremendous speed with Prof. Richardson

196: Spinning universe with Dr. Cheng

195: Dark and quiet skies with Dr. Rawls

194: Exoplanet next door with Prof Whitten

193: Orbital parking spots with Larissa Markwardt

192: Craters on Titan with Prof. Neish

191: Back to Venus with Dr. Getty

190: Millions of observations with Dr. Spoto

189: Long Range Planning with Prof. Barmby

188: Failing is the most important part of science with Tyler Linder

187: You doubt your own existence with Prof. Méndez

186: What's more powerful than a dinosaur with Dr. Noviello

185: Solar system snapshots with Kevin Gill

184: Samples are forever with Prof. Snead

183: The solar wind with Dr. Jian

182: Radar polarization with Dr. Hickson

181: Young Stellar Objects with Dr. Smith

180: Space Advocacy with Casey Dreier

179: Not just a telescope with Dr. Virkki

178: Light reverberations from supermassive black holes with Dr. Gorjian

177: Preventable disasters with Prof. Nugent

176: Getting curious with Dr. Fraeman

175: Three lunar water mysteries with Prof. Ehlmann

174: How NASA funding works with Dr. Throop

173: Last alert system with Dr. Denneau

172: The whole world to a microbe with Prof. Levy

171: Astronauts on starship Earth with Dr. Gifford

170: Searching for outer solar system objects with Dr. Schwamb

169: The flattest structures in the solar system with Dr. Tiscareno

168: Meteorite strength with Prof. Cotto Figueroa

167: Far out with Dr. Sheppard

166: Why we went to the moon with Lillian Cunningham

165: Exploring Titan with Dr. Soderblom

164: Postcards to the cosmos with Dr. Bannister

163: Modeling millions of asteroids with Dr. Dotson

162: Charon's surprises with Dr. Beyer

161: Dusty mysteries with Prof. Hartzell

160: Going back in time with Dr. Bottke

159: Constellations and coordinates with Dr. Rich

158: Planetary Defense Mission with Dr. Ernst

157: Modeling impacts with Dr. Boslough

156: Measuring a collision with Dr. Thomas

155: Interstellar visitor with Dr. Knight

154: High speed impacts with Dr. Daly

153: Stories behind the science with Sarah Kaplan

152: Mysterious iron meteorites with Dr. Chabot

151: Game-changing asteroid images with Dr. Marsset

150: Undersea grippers and in-space assembly with Dr. Backus

149: Ballooning on Venus with Dr. Izraelevitz

148: Solving an Apollo mystery with Dr. Curren

147: Searching for extraterrestrial life with Dr. Seager

146: Our place the universe with Dr. Lanz

145: Backyard Worlds with Prof. Allers

144: Deflecting asteroids with Brent Barbee

143: Telescope robots with Dr. Ramirez

142: The biggest clock with Rob Seaman

141: Eyes on the back of your head with Dr. Tholen

140: A brand new telescope with Dr. Kartaltepe

139: The missing mantle problem with Dr. DeMeo

138: Transiting Exoplanets with Dr. Payne

137: Documenting rapid change with Dr. Carey

136: Would sailboats work on Titan? With Dr. Soto

135: Linking asteroid observations with Dr. Holman

134: Spinning stars with Dr. Rebull

133: Al Pacino, Robert De Niro, and Mercury with Dr. Padovan

132: Introducing people to the reach of infinity with Tim Thompson

131: Inside the red planet with Dr. Daubar

130: Quantum entanglement with Dr. Ghose

129: A new type of galaxy with Dr. Mutlu-Pakdil

128: Sleeping on a Glacier with Dr. Koppes

127: Black hole pairs with Dr. McGurk

126: Supercities of the Universe with Dr. Connor

125: Oceans, oceans everywhere with Dr. Keane

124: Searching Antarctica for meteorites with Dr. Cohen

123: Our favorite planet's future with Dr. Marvel

122: How to make a comet with Dr. Michel

121: Solar storms with Dr. Janvier

120: Archeology for everyone with Chase Childs

119: Archeology from space with Dr. Parcak

118: The stuff between the stars with Dr. Rich

117: Guardians of (a very small part of) the galaxy with Dr. Fast

116: Extraterrestrial Seismology with Dr. Panning

115: Detector detective with Mario Cabrera

114: The densest stuff in the universe slamming together at the speed of light with Dr. Kanner

113: Belt and suspenders spacecraft with Julie Webster

112: Cassini Family with Dr. Cable

111: Dust hazard with Dr. Throop

110: 492 roughly hexagonal mirrors with Dr. Liu

109: To attack that darkness once again with Dr. Hunt

108: End of mission blues with Dr. Storrie-Lombardi

107: Loose rocks and soft bots with Dr. McMahon

106: Sample the mantle with Dr. Peterson

105: Tectonic fabric with Dr. Donnellan

104: Occultation vacation with Dr. Kramer

103: Meteor showers and "broom stars" with Dr. Ye

102: A thrilling tale of discovery with Dr. Christiansen

101: The best geologist on Mars with Dr. Francis

100: The gauntlet is thrown- explain the ammonia! with Dr. Ehlmann

99: Photons from exoplanets with Dr. Meshkat

98: A place on Earth as dry as Mars with Dr. Azua-Bustos

97: If a glacier falls in a fjord… with Dr. Koppes

96: Vega, dust, and a giant inflatable bumblebee with Dr. Ciardi

95: Asteroid hunting software with John Dailey

94: Seven hundred new craters on Mars with Dr. Daubar

93: Companionable Jupiters with Marta Bryan

92: When there's dust there's planets with Dr. Patel

91: Tectonic hazard on Phobos with Dr. Curren

90: The universe is full of water with Dr. Paladini

89: Underwater Flying Objects with Prof. Thompson

Bonus episode: I wrote a book!

88: Designing earthquake alarms with Dr. Burkett

87: Visions of interstellar travel with Dr. Hurt

86: Celestial cinematography with Dr. Kasliwal

85: Risk, hazard, and threat: the importance of language with Dr. Billings

84: Saturn's siren song with Dr. Burton

83: Why we archive with Dr. Rebull

82: Searching the sky for asteroids with Eric Christensen

81: The era of precision astronomy with Dr. Rich

80: Places where people can have adventures with Br. Consolmagno

79: LIGO's high quality (factor) fibers with Dr. Robertson

78: Signals traveling through the fabric of spacetime with Dr. Kanner (Part 2)

77: Signals traveling through the fabric of spacetime with Dr. Kanner (Part 1)

76: Mars' teenage robot with Dr. Fraeman

75: Looking for trouble with Eric Rice

74: Asteroid families with Dr. Masiero

73: Earthquake early warning systems with Dr. Weiser

72: Perturbing the Earth with Dr. Weiser

71: Rovers on an asteroid with Dr. Takir

70: Every crater tells a story with Dr. Scully

69: Pinging passing asteroids with Dr. Naidu

68: Building a new instrument with Dr Hosseini

67: The most ambitious measurement ever made, with Dr. Reitze (Part 2)

66: The most ambitious measurement ever made, with Dr. Reitze (Part 1)

65: Black holes don't suck with Dr. Gorjian

64: Hubble's Tuning Fork with Dr. Seidel

63: Deciphering dark matter with Dr. Benson

62: Exoplanets and the fate of Earth with Dr. Schlaufman

61: Catching a photonic breeze with Dr. Betts

60: Data you can see, touch, and lick with Dr. Hunt

59: Where the universe was discovered with Dr. Mulchaey

58: The case of the missing Moon ice with Dr. Siegler

57: Voyaging to the edge of the Solar System with Suzy Dodd

56: Fiction Science with Mika McKinnon

55: Space is a team effort with Jan Chodas

54: The granite planet with Dr. Economos

53: How big? How far? How fast? with Dr. Beaton

52: Eternal sunshine of the Galactic Center with Dr. Ramirez

51: When Mars was the "Pink Planet" with Dr. Smith

50: Ganymede and Iapetus with Dr. Singer

49: Every known object in the Solar System with Jon Giorgini

48: Threading an asteroid through the eye of a keyhole with Dr. Chodas

47: Punching an asteroid with Dr. Walsh

46: Spacecraft no bigger than a breadbox with Dr. Asphaug

45: A glimpse of the Pluto system with Dr. Ennico Smith

44: Atmospheres in our solar system with Dr. Soto

43: The Ice Giants with Dr. Soderlund

42: Finding exoplanets with Dr. Christiansen

41: The last of the "great observatories" with Dr. Storrie-Lombardi

40: Keeping an eye on asteroids with Dr. Yeomans

39: A day in the life of a Mars rover with Dr. Litchtenberg

38: Mysterious icy travelers with Dr. Fernández

37: Exploring Pluto with Dr. Singer

36: Using artwork to explain the Universe with Dr. Hurt

35: Geology at a distance with Dr. Rivkin

34: Keeping track of asteroids with Dr. Sphar

33: Why do we look for water when we look for life? With Dr. Cable

32: How to build a planet with Dr. Kretke

31: If we could put Mars in a bottle… with Paulo Younse

30: Space weathering with Dr. Kaluna

29: Keeping the James Webb Space Telescope cool with Dr. Stone

28: Building experiments for the International Space Station with Dr. White

27: Searching Iceland's lava fields for life on Mars with Dr. Cable

26: Old, volatile, and gassy: Why comets would make unpleasant but interesting dinner guests with Dr. Bauer

25: Why couldn't New Horizons orbit Pluto?

24: Engineering the Galileo Probe, Pt 2.

23: Engineering the Galileo Probe, Pt 1.

22: Merging galaxies with Dr. Privon

21: The fascinating, hidden world of isotopes in water with Dr. Dan Petrizzo

20: Tuning in to comet radio stations with Prof. Lovell

19: Where to land on Mars, and where to look for Martian microbes with Prof. Ehlmann

18: Pluto's big mystery with Dr. Buratti

17: Landslides on Mars with Dr. Watkins

16: The strange surfaces of asteroids with Dr. Busch

15: Finding Europa in our Antarctic backyard with Dr. Schmidt

14: We are all made of star stuff... or are we? With Dr. Rich

13: Cassini explores Saturn and its moons with Dr. Spilker

12: Exploring planets from your living room with Emily Lakdawalla

11: How many asteroids are out there? With Dr. Mainzer

10: Craters on the moon with Dr. Cohen

9: NASA high jinks with Dr. Paddack

8: Accessible asteroids with Brent Barbee

7: Exploring Mercury with Dr. Chabot

6: Hubble sees a collision with Rob Landis

5: The coldest stars with Dr. Kirkpatrick

4: LADEE explores the moon with Dr. Noble

3: The moons of Mars with Dr. Fraeman

2: Polarized light with Dr. Masiero

1: Titan's Lakes with Dr. Cable