Chemical Mechanisms and Their Applications in the Goddard Earth Observing System (GEOS) Earth System Model by J. Eric Nielsen, Steven Pawson, Andrea Molod, Benjamin Auer, Arlindo M. da Silva, Anne R. Douglass, Bryan Duncan, Qing Liang, Michael Manyin, Luke D. Oman, William Putman, Susan E. Strahan, Krzysztof Wargan

“…GEOS is developed by the Global Modeling and Assimilation Office (GMAO) at NASA Goddard Space Flight Center. It generates near‐real‐time analyzed data products, reanalyses, and weather and seasonal forecasts to support research targeted to understanding interactions among Earth System processes. …”
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Kiloparsec-scale Neutral Iron Kα Emission in the Starburst-AGN NGC 4945: A Relic AGN Outflow? by Kimberly A. Weaver, Jenna M. Cann, Lynne Valencic, Miranda McCarthy, Ryan W. Pfeifle, K. D. Kuntz, Joel F. Campbell, Kimberly Engle, Ryan Tanner, Edmund Hodges-Kluck, Isabella Carlton

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On the Temporal Variability of High‐Altitude Reflection Potential Structures (HARPS) by Alex Glocer, Glyn A. Collinson, Rachel Conway, Aroh Barjatya, Robert Michell, Shaosui Xu, David Mitchell, Ellen Robertson, Dennis Chornay, George Khazanov

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The Faraday Effect Tracker of Coronal and Heliospheric Structures (FETCH) instrument by Elizabeth A. Jensen, Nat Gopalswamy, Lynn B. Wilson, Lan K. Jian, Shing F. Fung, Teresa Nieves-Chinchilla, Marta Shelton, Lihua Li, Manohar Deshpande, Lloyd Purves, Joseph Lazio, Ward B. Manchester, Brian E. Wood, Jason E. Kooi, David B. Wexler, Stuart Bale, Alexei Pevtsov, Bernard V. Jackson, Kenny N. Kenny

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Utilizing machine learning for high resolution NO2 total columns from PACE OCI by Z Fasnacht, J Joiner, E Bucsela, M Bandel, F Liu, L Lamsal, N Krotkov

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The Deuterium Isotopic Ratio of Water Released From the Martian Caps as Measured With TGO/NOMAD by Geronimo L. Villanueva, Giuliano Liuzzi, Shohei Aoki, Shane W. Stone, Adrian Brines, Ian R. Thomas, Miguel Angel Lopez‐Valverde, Loic Trompet, Justin Erwin, Frank Daerden, Bojan Ristic, Michael D. Smith, Michael J. Mumma, Sara Faggi, Vincent Kofman, Séverine Robert, Lori Neary, Manish Patel, Giancarlo Bellucci, Jose Juan Lopez‐Moreno, Ann Carine Vandaele

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Ten years of tropospheric ozone from DSCOVR EPIC: science and applications by Jerry R. Ziemke, Jerry R. Ziemke, Natalya A. Kramarova, Stacey M. Frith, Stacey M. Frith, Kai-Liang Huang, Kai-Liang Huang, Kanghyun Baek, Kanghyun Baek, Jay R. Herman, Jay R. Herman

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Updating Measures of CME Arrival Time Errors by C. Kay, E. Palmerio, P. Riley, M. L. Mays, T. Nieves‐Chinchilla, M. Romano, Y. M. Collado‐Vega, C. Wiegand, A. Chulaki

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Gender diversity in heliophysics by Kenny N. Kenny, M. Abler, A. Brosius, A. Brosius, A. Glenn, N. H. Mathews, J. Verniero

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Changes in Stratospheric Climate and Age‐Of‐Air in Recent GEOS Systems Since MERRA‐2 by Clara Orbe, Lawrence L. Takacs, Amal El Akkraoui, Krzysztof Wargan, Andrea Molod, Steven Pawson

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Optimized J2 Recovery for Multi‐Decadal Geophysical Studies by B. D. Loomis, T. J. Sabaka, K. E. Rachlin, M. J. Croteau, F. G. Lemoine, R. S. Nerem, A. Bellas‐Manley

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There is no six-year periodicity in tidal forcing by R. D. Ray, V. Viswanathan, B. F. Chao

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Identifying the Dimensions of Degraded Impact Structures Using Digital Elevation Models: A Proof of Concept for Silicate Planets by Connor J. Anderson, James B. Garvin, Devin R. McClain, Scott S. Sinno, Katherine A. Melocik, Compton J. Tucker

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Analyses of Virtual Ship‐Tracks Systematically Underestimate Aerosol‐Cloud Interactions Signals by Tianle Yuan, Hua Song, Lazaros Oreopoulos, Robert Wood, Kerry Meyer, Alice Crawford, William Smith, Ryan Eastman

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The role of land–atmosphere coupling in subseasonal surface air temperature prediction across the contiguous United States by Y. Lim, Y. Lim, A. M. Molod, R. D. Koster, J. A. Santanello

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Spatio-temporal evolution of pulsating aurora observed using a ground-based imagers by Megha Pandya, Megha Pandya, Ankush Bhaskar, Marilia Samara, Robert Michell, Emma Mirizio, Emma Mirizio, Suk-Bin Kang, Suk-Bin Kang, Lauren W. Blum

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Foreshock Ultralow Frequency Waves at Mars: Consequence on the Particle Acceleration Mechanisms at the Martian Bow Shock by Nahuel Andrés, Norberto Romanelli, Christian Mazelle, Li-Jen Chen, Jacob R. Gruesbeck, Jared R. Espley

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Global Magnetic Reconnection During Sustained Sub‐Alfvénic Solar Wind Driving by B. L. Burkholder, L.‐J. Chen, M. Sarantos, D. J. Gershman, M. R. Argall, Y. Chen, C. Dong, Victoria Wilder, O. Le Contel, H. Gurram

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Editorial: High-energy astrophysics research enabled by the probe-class mission concept HEX-P by Daniel Stern, Kristin Madsen, Javier A. García

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Correcting the Arcjet Thruster Disturbance in GOES‐16 Magnetometer Data by S. Califf, D. Early, M. Grotenhuis, T. M. Loto'aniu, J. Kronenwetter

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