A dense web of neutral gas in a galaxy proto-cluster post-reionization
K.E. Heintz, J.S. Bennett, P.A. Oesch, A. Sneppen, D. Rennehan, C.L. Pollock, J. Witstok, R. Smit, S. Vejlgaard, C. Terp, U.S. Koca, G.B. Brammer, K. Finlator, M.J. Hayes, D. Sijacki, R.P. Naidu, J.J. Matthee, F. Valentino, N.R. Tanvir, P. Jakobsson, P. Laursen, D.J. Watson, R. Davé, L.C. Keating, A. Covelo-Paz, Nature Astronomy (2026).

Impact of resonance, Raman, and Thomson scattering on hydrogen line formation in Little Red Dots
S.J. Chang, M. Gronke, J.J. Matthee, C. Mason, Monthly Notices of the Royal Astronomical Society 545 (2026).

A weak Ly ;1 halo for an extremely bright little red dot. Indications of enshrouded supermassive black hole growth
A. Torralba Torregrosa, J.J. Matthee, G. Pezzulli, T. Urrutia, M. Gronke, S. Mascia, F. D’Eugenio, C. Di Cesare, A.C. Eilers, J.E. Greene, E. Iani, Y. Ishikawa, R. Mackenzie, R.P. Naidu, B. Navarrete, G. Kotiwale, Astronomy and Astrophysics 705 (2026).

Rapid, out-of-equilibrium metal enrichment indicated by a flat mass-metallicity relation at z c6 from NIRCam grism spectroscopy
G. Kotiwale, J.J. Matthee, D. Kashino, A.P. Vijayan, A. Torralba Torregrosa, C. Di Cesare, E. Iani, R. Bordoloi, J. Leja, M.V. Maseda, S. Tacchella, I. Shivaei, K.E. Heintz, A.L. Danhaive, S. Mascia, I. Kramarenko, B. Navarrete, R. Mackenzie, R.P. Naidu, D. Sobral, Astronomy &; Astrophysics 706 (2026).

A cosmic miracle: A remarkably luminous galaxy at zspec = 14.44 confirmed with JWST
R.P. Naidu, P.A. Oesch, G. Brammer, A. Weibel, Y. Li, J.J. Matthee, J. Chisholm, C.L. Pollock, K.E. Heintz, B.D. Johnson, X. Shen, R.E. Hviding, J. Leja, S. Tacchella, A. Ganguly, C. Witten, H. Atek, S. Belli, S. Bose, R. Bouwens, P. Dayal, R. Decarli, A. De Graaff, Y. Fudamoto, E. Giovinazzo, J.E. Greene, G. Illingworth, A.K. Inoue, S.G. Kane, I. Labbe, E. Leonova, R. Marques-Chaves, R.A. Meyer, E.J. Nelson, G. Roberts-Borsani, D. Schaerer, R.A. Simcoe, M. Stefanon, Y. Sugahara, S. Toft, A. Van Der Wel, P. Van Dokkum, F. Walter, D. Watson, J.R. Weaver, K.E. Whitaker, The Open Journal of Astrophysics 9 (2026).

Black holes disguised as little red dots
J.J. Matthee, Science 391 (2026) 767–768.

J-PAS: First identification, physical properties, and ionization efficiency of extreme emission line galaxies
A. Giménez-Alcázar, R. Amorín, J.M. Vílchez, A. Hernán-Caballero, M. González-Otero, A. Arroyo-Polonio, J. Iglesias-Páramo, A. Lumbreras-Calle, J.A. Fernández-Ontiveros, C. López-Sanjuan, L. Bonatto, R.M. González Delgado, C. Kehrig, A. Torralba Torregrosa, P.T. Rahna, Y. Jiménez-Teja, I. Márquez, I. Breda, A. Álvarez-Candal, R. Abramo, J. Alcaniz, N. Benitez, S. Bonoli, S. Carneiro, J. Cenarro, D. Cristóbal-Hornillos, R. Dupke, A. Ederoclite, C. Hernández-Monteagudo, A. Marín-Franch, C. Mendes de Oliveira, M. Moles, L. Sodré, K. Taylor, J. Varela, H. Vázquez Ramió, Astronomy &; Astrophysics 706 (2026).

The warm outer layer of a little red dot as the source of [Fe ii] and collisional Balmer lines with scattering wings
A. Torralba Torregrosa, J.J. Matthee, G. Pezzulli, R.P. Naidu, Y. Ishikawa, G.B. Brammer, S.J. Chang, J. Chisholm, A. De Graaff, F. D’Eugenio, C. Di Cesare, A.C. Eilers, J.E. Greene, M. Gronke, E. Iani, V. Kokorev, G. Kotiwale, I. Kramarenko, Y. Ma, S. Mascia, B. Navarrete, E. Nelson, P. Oesch, R.A. Simcoe, S. Wuyts, Astronomy &; Astrophysics 707 (2026).

The slope and scatter of the star-forming main sequence at z c 5: Reconciling observations with simulations
C. Di Cesare, J.J. Matthee, R.P. Naidu, A. Torralba, G. Kotiwale, I. Kramarenko, J. Blaizot, J. Rosdahl, J. Leja, E. Iani, A. Adamo, A. Covelo-Paz, L.J. Furtak, K.E. Heintz, S. Mascia, B. Navarrete, P.A. Oesch, M. Romano, I. Shivaei, S. Tacchella, Astronomy &; Astrophysics 707 (2026).

H ;1 as a tracer of star formation in the SPHINX cosmological simulations
I. Kramarenko, J. Rosdahl, J. Blaizot, J.J. Matthee, H. Katz, C. Di Cesare, Astronomy &; Astrophysics 707 (2026).

Efficient formation of a massive quiescent galaxy at redshift 4.9
A. De Graaff, D.J. Setton, G. Brammer, S. Cutler, K.A. Suess, I. Labbé, J. Leja, A. Weibel, M.V. Maseda, K.E. Whitaker, R. Bezanson, L.A. Boogaard, N.J. Cleri, G. De Lucia, M. Franx, J.E. Greene, M. Hirschmann, J.J. Matthee, I. Mcconachie, R.P. Naidu, P.A. Oesch, S.H. Price, H.W. Rix, F. Valentino, B. Wang, C.C. Williams, Nature Astronomy 9 (2025) 280–292.

RUBIES: A complete census of the bright and red distant universe with JWST/NIRSpec
A. de Graaff, G. Brammer, A. Weibel, Z. Lewis, M.V. Maseda, P.A. Oesch, R. Bezanson, L.A. Boogaard, N.J. Cleri, O.R. Cooper, R. Gottumukkala, J.E. Greene, M. Hirschmann, R.E. Hviding, H. Katz, I. Labbé, J. Leja, J.J. Matthee, I. McConachie, T.B. Miller, R.P. Naidu, S.H. Price, H.-W. Rix, D.J. Setton, K.A. Suess, B. Wang, K.E. Whitaker, C.C. Williams, Astronomy &; Astrophysics 697 (2025).

MIRI Deep Imaging Survey (MIDIS) of the Hubble Ultra Deep Field: Survey description and early results for the galaxy population detected at 5.6 µm
G. Östlin, P.G. Pérez-González, J. Melinder, S. Gillman, E. Iani, L. Costantin, L.A. Boogaard, P. Rinaldi, L. Colina, H.U. Nørgaard-Nielsen, D. Dicken, T.R. Greve, G. Wright, A. Alonso-Herrero, J. Álvarez-Márquez, M. Annunziatella, A. Bik, S.E.I. Bosman, K.I. Caputi, A.C. Gomez, A. Eckart, M. Garcia-Marin, J. Hjorth, O. Ilbert, I. Jermann, S. Kendrew, A. Labiano, D. Langeroodi, O. Le Fevre, M. Libralato, R.A. Meyer, T. Moutard, F. Peissker, J.P. Pye, T.V. Tikkanen, M. Topinka, F. Walter, M. Ward, P. Van Der Werf, E.F. Van Dishoeck, M. Güdel, T. Henning, P.O. Lagage, T.P. Ray, B. Vandenbussche, Astronomy &; Astrophysics 696 (2025).

A negligible contribution of two luminous z c7.5 galaxies to the ionizing photon budget of reionization
S. Gazagnes, J. Chisholm, R. Endsley, D.A. Berg, F. Leclercq, N. Jurlin, A. Saldana-Lopez, S.L. Finkelstein, S.R. Flury, N.G. Guseva, A. Henry, Y.I. Izotov, I. Jung, J.J. Matthee, D. Schaerer, Monthly Notices of the Royal Astronomical Society 540 (2025) 2331–2348.

zELDA II: Reconstruction of galactic Lyman-alpha spectra attenuated by the intergalactic medium using neural networks
S. Gurung-López, C. Byrohl, M. Gronke, D. Spinoso, A. Torralba Torregrosa, A. Fernández-Soto, P. Arnalte-Mur, V.J. Martínez, Astronomy &; Astrophysics 698 (2025).

Evolution of the UV slope of galaxies at cosmic morning (z > 4): The properties of extremely blue galaxies
D. Dottorini, A. Calabrò, L. Pentericci, S. Mascia, M. Llerena, L. Napolitano, P. Santini, G. Roberts-Borsani, M. Castellano, R. Amorin, M. Dickinson, A. Fontana, N. Hathi, M. Hirschmann, A.M. Koekemoer, R.A. Lucas, E. Merlin, A. Morales, F. Pacucci, S. Wilkins, P. Arrabal Haro, M. Bagley, S.L. Finkelstein, J. Kartaltepe, C. Papovich, N. Pirzkal, Astronomy &; Astrophysics 698 (2025).

Investigating photometric and spectroscopic variability in the multiply imaged little red dot 44-QSO1
L.J. Furtak, A.R. Secunda, J.E. Greene, A. Zitrin, I. Labbé, M. Golubchik, R. Bezanson, V. Kokorev, H. Atek, G.B. Brammer, I. Chemerynska, S.E. Cutler, P. Dayal, R. Feldmann, S. Fujimoto, K. Glazebrook, J. Leja, Y. Ma, J.J. Matthee, R.P. Naidu, E.J. Nelson, P.A. Oesch, R. Pan, S.H. Price, K.A. Suess, B. Wang, J.R. Weaver, K.E. Whitaker, Astronomy &; Astrophysics 698 (2025).

The ionizing photon production efficiency of star-forming galaxies at z c 4–10
M. Llerena, L. Pentericci, L. Napolitano, S. Mascia, R. Amorín, A. Calabrò, M. Castellano, N.J. Cleri, M. Giavalisco, N.A. Grogin, N.P. Hathi, M. Hirschmann, A.M. Koekemoer, T. Nanayakkara, F. Pacucci, L. Shen, S.M. Wilkins, I. Yoon, L.Y.A. Yung, R. Bhatawdekar, R.A. Lucas, X. Wang, P. Arrabal Haro, M.B. Bagley, S.L. Finkelstein, J.S. Kartaltepe, E. Merlin, C. Papovich, N. Pirzkal, P. Santini, Astronomy &; Astrophysics 698 (2025).

The JWST Emission Line Survey (JELS): An untargeted search for H;1 emission line galaxies at z > 6 and their physical properties
C.A. Pirie, P.N. Best, K.J. Duncan, D.J. Mcleod, R.K. Cochrane, M. Clausen, J.S. Dunlop, S.R. Flury, J.E. Geach, C.L. Hale, E. Ibar, R. Kondapally, Z. Li, J.J. Matthee, R.J. Mclure, L. Ossa-Fuentes, A.L. Patrick, I. Smail, D. Sobral, H.M.O. Stephenson, J.P. Stott, A.M. Swinbank, Monthly Notices of the Royal Astronomical Society 541 (2025) 1348–1376.

The JWST Emission-Line Survey: Extending rest-optical narrow-band emission-line selection into the Epoch of Reionization
K.J. Duncan, D.J. Mcleod, P.N. Best, C.A. Pirie, M. Clausen, R.K. Cochrane, J.S. Dunlop, S.R. Flury, J.E. Geach, N.A. Grogin, C.L. Hale, E. Ibar, R. Kondapally, Z. Li, J.J. Matthee, R.J. Mclure, L. Ossa-Fuentes, A.L. Patrick, I. Smail, D. Sobral, H.M.O. Stephenson, J.P. Stott, A.M. Swinbank, Monthly Notices of the Royal Astronomical Society 541 (2025) 1329–1347.