2026 Publications

You can see the full list of SHIELD publications sorted by year or at the SHIELD Library on Scixplorer. 

First Authors listed in bold are early career researchers.

Nature Scientific Reports (Sci Rep)

1.Merav Opher, Joe Giacalone, Abraham Loeb, Evan P. Economo, Alan Cummings, Jennifer Middleton, Catherine Zucker, Jesse A. Miller, Anna Nica & Maria Hatzaki, “Increased and varied radiation during the Sun’s encounters with cold clouds in the last 10 million years”, Sci Rep 16, 8312 (2026). https://doi.org/10.1038/s41598-026-36926-z

Annual Review Astronomy and Astrophysics

2. Merav Opher. 2026. Understanding the Heliospheric Shield: Laying the Groundwork to Predict Habitable Astrospheres. Annual Review Astronomy and Astrophysics. 64 https://doi.org/10.1146/annurev-astro-120425-053711

Astrophysical Journal (ApJ)

3. Romina Nikoukar, Matthew E. Hill, Konstantinos Dialynas, Stamatios M. Krimigis, Lawrence E. Brown, Peter Kollmann, Robert D. Decker, Jerry W. Manweiler, W. Spencer Reeve, Vladimir Florinski, “A “Valley” in Heliospheric Energetic Particle Intensities and Implications for a New Horizons Encounter with the Solar Wind Termination Shock”, 2026 ApJ 996 135, http://doi.org/10.3847/1538-4357/ae2753

4. Jonathan Gasser, Justyna M. Sokół, Maher A. Dayeh, Heather A. Elliott, Kelsi N. Singer, and Merav Opher, ”Solar Wind Forecasting for Long-term Variations of the Global Heliosphere”, 2026 ApJ 999 11, http://doi.org/10.3847/1538-4357/ae3152 

5. Shishir Biswas, Masaru Nakanotani, Dinshaw S. Balsara, Vladimir Florinski, and Merav Opher, ‘2D Kelvin–Helmholtz Instability with Anisotropic Pressure’,
2026
ApJ 999 144 http://doi.org/10.3847/1538-4357/ae422e 

6. Heather A. Elliott, Tae K. Kim, John D. Richardson, Justyna M. Sokół, Bishwas L. Shrestha, Eric J. Zirnstein, David J. McComas, Paweł Swaczyna, Merav Opher, Maher A. Dayeh, The Gradual Slowing of the Solar Wind in the Outer Heliosphere,  2026 ApJ 1001 55, http://doi.org/10.3847/1538-4357/ae39c6

7. Bingbing Wang, Sujan Prasad Gautam, Gary P. Zank, Laxman Adhikari, and N. Eugene Engelbrecht, ‘The Drift Coefficient for Energetic Particles in a Turbulent Plasma‘, 2026 ApJ 1001 115, http://doi.org/10.3847/1538-4357/ae547f

8. Juan Alonso Guzman, V. Florinski, L.-L. Zhao, A. C. Cummings, B. C. Heikkila, M. E. Hill, R. Nikoukar, and M. Opher, Towards Explaining Galactic Cosmic Ray Modulation in a Dynamic Heliosheath: Transient Structures Seem Dominant And Magnetic Drifts Appear Reduced, 2026 ApJ 1002 92, http://doi.org/10.3847/1538-4357/ae5c02

9. M. Kornbleuth, M. Opher, J. F. Drake, M. Swisdak, Zhiyu Yin, K. Dialynas, Y. Chen, J. Giacalone, J. M. Sokół, M. Gkioulidou, “Signatures of Reconnection and a Split Heliospheric Tail in High-energy Energetic Neutral Atoms”, 2026 ApJ 1004 1, http://doi.org/10.3847/1538-4357/ae67fc

10. Bart van der Holst, Merav Opher, Laxman Adhikari, and Gary P. Zank, “Pickup Ion Production and Turbulence in the Global Heliosphere”, 2026 ApJ 1004 141, http://doi.org/10.3847/1538-4357/ae6cd9

11. Masaru Nakanotani, Gary P. Zank, and Lingling Zhao, “Magnetohydrodynamic Shock Jump Conditions in the Presence of Turbulence”, 2026 ApJ 1005 106
http://doi.org/10.3847/1538-4357/ae734c

12. Sujan Prasad Gautam, Gary P. Zank, Alexander Pitňa, and Bingbing Wang, “Evolution of Turbulence at an Interplanetary Shock Observed by the Solar Orbiter and Wind Spacecraft”, 2026 ApJ 1006 80, http://doi.org/10.3847/1538-4357/ae8252

13. C. Onubogu, M. Opher, E. Powell, S. Du, J. M. Sokół, J. D. Richardson, and B. Van Der Holst,
“Dynamics of the Upwind Heliosphere Due to Data-driven Solar Wind and Magnetic Field Variations and Implications for Wave Propagation into the Very Local Interstellar Medium”, 2026 ApJ 1007 148, http://doi.org/10.3847/1538-4357/ae8dc3

14. J. Giacalone, R. B. Decker, M. E. Hill, D. G. Mitchell, and C. Paranicas; “Ion “Smoke-ring” Pitch-angle Distributions Measured by the Cassini/MIMI/INCA Instrument Upstream of a Transient Interplanetary Shock at 8.6 au”, 2026 ApJ 1008 12, http://doi.org/10.3847/1538-4357/ae90a4

15. Senbei Du, Merav Opher, Marc Kornbleuth, Ethan Schuyler Bair, Joe Giacalone, and Jeewoo Park; “The Velocity Distribution of Heliosheath-created Pickup Ions along Voyager 2’s Trajectory and Energetic Neutral Atom Fluxes”, 2026 ApJS 286 77
https://doi.org/10.3847/1538-4365/aea206

Advances in Space Research

16. Sergey D. Korolkov, Igor I. Baliukin, Merav Opher, ‘The effect of magnetic field dissipation in the inner heliosheath: reconciling global heliosphere model and voyager data’, Advances in Space Research, 2026, https://doi.org/10.1016/j.asr.2026.01.0

17. Jonathan Gasser, Justyna M. Sokół, Heather A. Elliott, Maher A. Dayeh, Kelsi N. Singer, S. Alan Stern, Igor Baliukin, Sergey Korolkov, Pontus C. Brandt, Joel W. Parker, Andrew R. Poppe, Anne J. Verbiscer, Merav Opher, Predictions of New Horizons’ termination shock crossing, Advances in Space Research,
Volume 77, Issue 12, 2026, https://doi.org/10.1016/j.asr.2026.04.074.

18. E. Puzzoni, J. Giacalone, J. Sosa, J. Kóta, M. Opher, J. M. Sokół, A new web-based tool for galactic cosmic rays in the heliosphere, Advances in Space Research, Volume 78, Issue 2, 2026, Pages 1669–1683, ISSN 0273-1177, https://doi.org/10.1016/j.asr.2026.04.121 

Astrophysics Journal Letters (ApJL)

19. Masaru Nakanotani, Gary P. Zank, Marc Kornbleuth, and Merav Opher, “PUI Acceleration at an Oblique Heliospheric Termination Shock: 2D Hybrid Kinetic Simulation”, 2026 ApJL 1001 L16; https://doi.org/10.3847/2041-8213/ae5706

Journal of Geophysical Research: Space Physics

20. P. Kollmann, E. C. Roelof, M. E. Hill, R. B. Decker, P. Brandt, R. L. McNutt Jr., P. S. Mostafavi, R. Nikoukar, J. W. Parker, K. N. Singer, J. Spencer, A. Stern, A. J. Verbiscer, “Deterministic Propagation of Suprathermal Ions Through the Heliosphere”, JGR: Space Physics Volume 131, Issue 7, https://doi.org/10.1029/2025JA034312