Joshi, R.; Knapmeyer-Endrun, B.; Mosegaard, K.; Igel, H.; Christensen, U. R.: Joint Inversion of Receiver Functions and Apparent Incidence Angles for Sparse Seismic Data. Earth and Space Science 8 (10), e2021EA001733 (2021)

Khan, A.; Ceylan, S.; van Driel, M.; Giardini, D.; Lognonné, P.; Samuel, H.; Schmerr, N.C.; Stähler, S.C.; Duran, A.C.; Huang, Q. et al.; Kim, D.; Broquet, A.; Charalambous, C.; Clinton, J.F.; Davis, P.M.; Drilleau, M.; Karakostas, F.; Lekic, V.; McLennan, S.M.; Maguire, R.R.; Michaut, C.; Panning, M.P.; Pike, W.T.; Pinot, B.; Plasman, M.; Scholz, J.-R.; Widmer-Schnidrig, R.; Spohn, T.; Smrekar, S.E.; Banerdt, W.B.: Upper mantle structure of Mars from InSight seismic data. Science 373 (6553), pp. 434 - 438 (2021)

Kim, D.; Davis, P.; Lekic, V.; Maguire, R.; Compaire, N.; Schimmel, M.; Stutzmann, E.; Irving, J. C. E.; Lognonne, P.; Scholz, J.-R. et al.; Clinton, J.; Zenhaeusern, G.; Dahmen, N.; Deng, S.; Levander, A.; Panning, M. P.; Garcia, R. F.; Giardini, D.; Hurst, K.; Knapmeyer-Endrun, B.; Nimmo, F.; Pike, W. T.; Pou, L.; Schmerr, N.; Staehler, S. C.; Tauzin, B.; Widmer-Schnidrig, R.; Banerdt, W. B.: Potential Pitfalls in the Analysis and Structural Interpretation of Seismic Data from the Mars InSight Mission. Bulletin of the Seismological Society of America 111 (6), pp. 2982 - 3002 (2021)

Kim, D.; Lekić, V.; Irving, J.C.E.; Schmerr, N.; Knapmeyer-Endrun, B.; Joshi, R.; Panning, M.P.; Tauzin, B.; Karakostas, F.; Maguire, R. et al.; Huang, Q.; Ceylan, S.; Khan, A.; Giardini, D.; Wieczorek, M.A.; Lognonné, P.; Banerdt, W.B.: Improving Constraints on Planetary Interiors With PPs Receiver Functions. Journal of Geophysical Research: Planets 126 (11), e2021JE006983 (2021)

Knapmeyer, M.; Stahler, S.; Daubar, I.; Forget, F.; Spiga, A.; Pierron, T.; Van Driel, M.; Banfield, D.; Hauber, E.; Grott, M. et al.; Muller, N.; Perrin, C.; Jacob, A.; Lucas, A.; Knapmeyer-Endrun, B.; Newman, C.; Panning, M.; Weber, R.; Calef, F.; Bose, M.; Ceylan, S.; Charalambous, C.; Clinton, J.; Dahmen, N.; Giardini, D.; Horleston, A.; Kawamura, T.; Khan, A.; Mainsant, G.; Plasman, M.; Lemmon, M.; Lorenz, R.; Pike, W.; Scholz, J.-R.; Lognonne, P.; Banerdt, B.: Seasonal seismic activity on Mars. Earth and Planetary Science Letters 576, 117171 (2021)

Knapmeyer-Endrun, B.; Panning, M. P.; Bissig, F.; Joshi, R.; Khan, A.; Kim, D.; Lekic, V.; Tauzin, B.; Tharimena, S.; Plasman, M. et al.; Compaire, N.; Garcia, R. F.; Margerin, L.; Schimmel, M.; Stutzmann, E.; Schmerr, N.; Bozdag, E.; Plesa, A.-C.; Wieczorek, M. A.; Broquet, A.; Antonangeli, D.; McLennan, S. M.; Samuel, H.; Michaut, C.; Pan, L.; Smrekar, S. E.; Johnson, C. L.; Brinkman, N.; Mittelholz, A.; Rivoldini, A.; Davis, P. M.; Lognonne, P.; Pinot, B.; Scholz, J.-R.; Stahler, S.; Knapmeyer, M.; van Driel, M.; Giardini, D.; Banerdt, W. B.: Thickness and structure of the martian crust from InSight seismic data. Science 373 (6553), pp. 438 - 443 (2021)

Kobayashi, M.; Krüger, H.: 2 Jahre am Kometen 67P/Churyumov-Gerasimenko: Raumsonde Rosetta. Journal of the Japanese Society for Planetary Science 30 (4), pp. 158 - 168 (2021)

Kollhoff, A.; Kouloumvakos, A.; Lario, D.; Dresing, N.; Gómez-Herrero, R.; Rodríguez-García, L.; Malandraki, O. E.; Richardson, I. G.; Posner, A.; Klein, K.-L. et al.; Pacheco, D.; Klassen, A.; Heber, B.; Cohen, C. M. S.; Laitinen, T.; Cernuda, I.; Dalla, S.; Espinosa Lara, F.; Vainio, R.; Köberle, M.; Kühl, R.; Xu, Z. G.; Berger, L.; Eldrum, S.; Brüdern, M.; Laurenza, M.; Kilpua, E. J.; Aran, A.; Rouillard, A. P.; Bučík, R.; Wijsen, N.; Pomoell, J.; Wimmer-Schweingruber, R. F.; Martin, C.; Böttcher, S. I.; Freiherr von Forstner, J. L.; Terasa, J.-C.; Boden, S.; Kulkarni, S. R.; Ravanbakhsh, A.; Yedla, M.; Janitzek, N.; Rodríguez-Pacheco, J.; Prieto Mateo, M.; Sánchez Prieto, S.; Parra Espada, P.; Rodríguez Polo, O.; Martínez Hellín, A.; Carcaboso, F.; Mason, G. M.; Ho, G. C.; Allen, R. C.; Bruce Andrews, G.; Schlemm, C. E.; Seifert, H.; Tyagi, K.; Lees, W. J.; Hayes, J.; Bale, S. D.; Krupar, V.; Horbury, T. S.; Angelini, V.; Evans, V.; O’Brien, H.; Maksimovic, M.; Khotyaintsev, Y. V.; Vecchio, A.; Steinvall, K.; Asvestari, E.: The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29. Astronomy and Astrophysics 656, A20 (2021)

Kollmann, P.; Clark, G.; Paranicas, C.; Mauk, B.; Roussos, E.; Nénon, Q.; Garrett, H. B.; Sicard, A.; Haggerty, D.; Rymer, A.: Jupiter's Ion Radiation Belts Inward of Europa's Orbit. Journal of Geophysical Research: Space Physics 126 (4), e2020JA028925 (2021)

Kozak, L. V.; Petrenko, B. A.; Lui, A. T. Y.; Kronberg, E. A.; Daly, P. W.: Processes in the Current Disruption Region: From Turbulence to Dispersion Relation. Journal of Geophysical Research: Space Physics 126 (1), e2020JA028404 (2021)

Kreuzig, C.; Kargl, G.; Pommerol, A.; Knollenberg, J.; Lethuillier, A.; Molinski, N.S.; Gilke, T.; Bischoff, D.; Feller, C.; Kührt, E. et al.; Sierks, H.; Hänni, N.; Capelo, H.; Güttler, C.; Haack, D.; Otto, K.; Kaufmann, E.; Schweighart, M.; MacHer, W.; Tiefenbacher, P.; Gundlach, B.; Blum, J.: The CoPhyLab comet-simulation chamber. Review of Scientific Instruments 92 (11), 115102 (2021)

Kronberg, E. A.; Daly, P. W.; Grigorenko, E. E.; Smirnov, A. G.; Klecker, B.; Malykhin, A. Y.: Energetic Charged Particles in the Terrestrial Magnetosphere: Cluster/RAPID Results. Journal of Geophysical Research: Space Physics 126 (9), e2021JA029273 (2021)

Kronberg, E. A.; Gorman, J.; Nykyri, K.; Smirnov, G.; Gjerloev, J. W.; Grigorenko, E. E.; Kozak, L. V.; Ma, X.; Trattner, K. J.; Friel, M.: Kelvin-Helmholtz Instability Associated With Reconnection and Ultra Low Frequency Waves at the Ground: A Case Study. Frontiers in Physics 9, 738988 (2021)

Kronberg, E. A.; Hannan, T.; Huthmacher, J.; Muenzer, M.; Peste, F.; Zhou, Z.; Berrendorf, M.; Faerman, E.; Gastaldello, F.; Ghizzardi, S. et al.; Escoubet, P.; Haaland, S.; Smirnov, A.; Sivadas, N.; Allen, R. C.; Tiengo, A.; Ilie, R.: Prediction of Soft Proton Intensities in the Near-Earth Space Using Machine Learning. The Astrophysical Journal 921 (1), 76 (2021)

Krüger, H.: Vorstoss zu den Marsmonden: die Raumsonde Martian Moons eXploration MMX. Sterne und Weltraum 6, pp. 34 - 42 (2021)

Krüger, H.; Kobayashi, M.; Strub, P.; Klostermeyer, G.-M.; Sommer, M.; Kimura, H.; Grün, E.; Srama, R.: Modelling cometary meteoroid stream traverses of the Martian Moons eXploration (MMX) spacecraft en route to Phobos. Earth, Planets and Space 73, 93 (2021)

Krüger, H.; Srama, R.: Eine Reise zum Asteroiden Phaethon: die Mission DESTINY⁺ besucht den Ursprungskörper der Geminiden. Sterne und Weltraum 11, 45, pp. 37 (2021)

Kumar, S.; Poser, A. J.; Schoettler, M.; Kleinschmidt, U.; Dietrich, W.; Wicht, J.; French, M.; Redmer, R.: Ionization and transport in partially ionized multicomponent plasmas: Application to atmospheres of hot Jupiters. Physical Review E 103 (6), 063203 (2021)

Kwon, Y.G.; Kolokolova, L.; Agarwal, J.; Markkanen, J.: An update of the correlation between polarimetric and thermal properties of cometary dust. Astronomy and Astrophysics 650, L7 (2021)

Lago, R.; Gastine, T.; Dannert, T.; Rampp, M.; Wicht, J.: MagIC v5.10: a two-dimensional message-passing interface (MPI) distribution for pseudo-spectral magnetohydrodynamics simulations in spherical geometry. Geoscientific Model Development 14, pp. 7477 - 7495 (2021)