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Submissions from 2024

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The Nature of X-Rays from Young Stellar Objects in the Orion Nebula Cluster—A Chandra HETGS Legacy Project, Norbert S. Schulz, David P. Huenemoerder, David A. Principe, Marc Gagné, Hans Mortiz Günther, Joel Kastner, Joy Nichols, Andrew Pollock, Thomas Preibisch, Paola Testa, Fabio Reale, Fabio Favata, and Claude R. Canizares

Submissions from 2023

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3D MHD models of the centrifugal magnetosphere from a massive star with an oblique dipole field, Asif ud-Doula, Stanley P. Owocki, Marc Gagné, and Simon Daley-Yates

Submissions from 2022

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Helium-like X-ray line complexes show that the hottest plasma on the zeta supergiant Puppis is in its wind, David H. Cohen, Ariel M. Overdorff, Maurice A. Leutenegger, Marc Gagné, Veronique Petit, and Alexandre David-Uraz

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Erratum: Chandra grating spectroscopy of embedded wind shock X-ray emission from O stars shows low plasma temperatures and significant wind absorption, David H. Cohen, Winter Parts, Graham M. Doskoch, Jiaming Wang, Veronique Petit, Maurice A. Leutenegger, and Marc Gagné

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X-ray properties of early-type stars in the Tarantula Nebula from T-ReX, Paul A. Crowther, Patrick S. Broos, Leisa K. Townsley, Andy M. T. Pollock, Katie A. Tehrani, and Marc Gagné

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Innovative ideas for a changing geoscience: moving toward a sustainable world by attending to its complexity, Tim Lutz

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Chandra revisits WR 48a: testing colliding wind models in massive binaries, Svetozar A. Zhekov, Marc Gagné, and Stephen L. Skinner

Submissions from 2021

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Adventuring into Complexity by Exploring Data: From Complicity to Sustainability, Tim Lutz

Submissions from 2020

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Geological Origins of the Ridley Creek Valley Landscape and Its Influence on Human Land Use, Walt Cressler

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Students' Scientific Evaluations of Water Resources, Josh Medrano, Joshua Jaffe, Doug Lombardi, Margaret A. Holzer, and Christopher Roemmele

Submissions from 2019

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Environmental influences on the stable carbon isotopic composition of Devonian and Early Carboniferous land plants, Zhenzhu Wan, Thomas J. Algeo, Patricia G. Gensel, Stephen E. Scheckler, William E. Stein, Walter L. Cressler III, Christopher M. Berry, Honghe Xu, Harold D. Rowe, and Peter E. Sauer

Submissions from 2017

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A JVLA survey of the high-frequency radio emission of the massive magnetic B- and O-type stars, Sushma Kurapati, Poonam Chandra, Gregg Wade, David H. Cohen, Alexandre David-Uraz, Marc Gagné, Jason Grunhut, Mary E. Oksala, Veronique Petit, Matt Shultz, Jon Sundqvist, Richard H. D. Townsend, and Asif ud-Doula

Submissions from 2015

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X-ray emission from the giant magnetosphere of the magnetic O-type star NGC 1624-2, V. Petit, D. H. Cohen, G. A. Wade, Y. Naze, S. P. Owocki, J. O. Sundqvist, A. ud-Doula, A. Fullerton, M. Leutenegger, and Marc Gagne

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The rise of fire: Fossil charcoal in late Devonian marine shales as an indicator of expanding terrestrial ecosystems, fire, and atmospheric change, Susan M. Rimmer, Sarah J. Hawkins, Andrew C. Scott, and Walter L. Cressler III

Submissions from 2014

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X-rays from magnetic massive OB stars, V. Petit, D. H. Cohen, Y. Naze´, Marc Gagne, R. H.D. Townsend, M. A. Leutenegger, A. ud-Doula, S. P. Owocki, and G. A. Wade

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A Chandra Grating Observation of the Dusty Wolf-Rayet Star WR 48a, Svetozar A. Zhekov, Marc Gagne, and Stephen L. Skinner

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A multiwavelength view on the dusty Wolf-Rayet star WR 48a, Svetozar A. Zhekov, Toma Tomov, Marcin P. Gawronski, Leonid N. Georgiev, Jura Borissova, Radostin Kurtev, Marc Gagne, and Marcin Hajduk

Submissions from 2013

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Geoscience and Geoscience Education in a Sustainable World, Tim Lutz

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An X-Rays Survey of the Young Stellar Population of the Lynds 1641 and Iota Orionis Regions, I. Pillitteri, S. J. Wolk, S. T. Megeath, L. Allen, J. Bally, Marc Gagné, R. A. Gutermuth, L. Hartman, G. Micela, P. Myers, J. M. Oliveira, S. Sciortino, F. Walter, L. Rebull, and J. Stauffer

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Were All Devonian Seeds Cupulate? A Reinvestigation of Pseudosporogonites hallei, Xenotheca bertrandii, and Aglosperma spp., Cyrille Prestianni, Jason Hilton, and Walter L. Cressler

Submissions from 2011

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Late Devonian paleontology and paleoenvironments at Red Hill and other fossil sites in the Catskill Formation of north-central Pennsylvania, Edward B. Daeschler and Walter L. Cressler III

Submissions from 2010

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Terrestrialization in the Late Devonian: A palaeoecological overview of the Red Hill site, Pennsylvania, USA, Walter L. Cressler III, Edward B. Daeschler, Rudy Slingerland, and Daniel A. Peterson

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Late Devonian spermatophyte diversity and paleoecology at Red Hill, north-central Pennsylvania, U.S.A., Walter L. Cressler III, Cyrille Prestianni, and Ben A. LePage

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Assessing the Short-Term Forecast Capability of Nonstandardized Surface Observations Using the National Digital Forecast Database (NDFD), Joby Hilliker, G Akasapu, and G S. Young

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A Values Framework for Students to Develop Thoughtful Attitudes about Citizenship and Stewardship, Tim Lutz and LeeAnn Srogi

Submissions from 2007

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Abundance Analysis of the Extremely Fast ONeMg Novae V838 Herculis and V4160 Sagittarii, G J. Schwarz, S N. Shore, S Starrfield, and K M. Vanlandingham

Submissions from 2006

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Plant paleoecology of the Late Devonian Red Hill locality, north-central Pennsylvania, an Archaeopteris-dominated wetland plant community and early tetrapod site., Walter L. Cressler III

Submissions from 2005

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A Late Devonian isoetalean lycopsid, Otzinachsonia beerboweri gen. et sp nov., from North-Central Pennsylvania, USA, Walter L. Cressler and H W. Pfefferkorn

Submissions from 2001

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Evidence of earliest known wildfires, Walter L. Cressler III

Submissions from 1998

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Inclusive Chemical Characterization of Tourmaline: Mossbauer Study of Fe Valence and Site Occupancy, M D. Dyar, M E. Taylor, Tim Lutz, C A. Francis, C V. Guidotti, and M Wise

Submissions from 1995

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An Improved Method For Determining and Characterizing Alignments of Point-Like Features and Its Implications For the Pinacate Volcanic Field, Sonora, Mexico, Tim Lutz and J T. Gutmann

Submissions from 1993

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Anomalous Mesozoic thermal regime, central Appalachian Piedmont: Evidence from sphene and zircon fission-track dating, B. P. Kohn, M. E. Wagner, Tim M. Lutz, and G. Organist