Research

Selected media coverage

• The search for non-terrestrial artifacts, podcast with Micah Hanks.
• Beatriz Villarroel, astrofisica: << Objectos que desaparecen del cielo pueden ser restos de otra civilización”
• Beatriz Villarroel: “Nos tomamos muy en serio la posibilidad de buscar a ET    (Diario de Avisos)
• Švedų astrofizikė apie naršymą po istorinį dangų ir neįtikėtinus radinius – jiems paaiškinti neatmetamos net pačios beprotiškiausios teorijos               (Interview with B. Villarroel on the International Rising Talents prize 2022)
• Evidence of non-terrestrial objects surveilling Earth could be revealed in new research effort,     The Debrief. 2022.
• Lurker, probes and disappearing stars, Centuri Dreams, 2022
• Beatriz Villarroel is awarded the L’Oreal-UNESCO prize for Women in Science    (International Rising Talents, 2022)
• Sleuthing through history for alien artifacts. SuperCosmos. 2022.
• 9 weird transients from 1950 still unexplained. Earth & Sky. 2021.
• Some of the Universe’s stars have gone missing. Space.com.
• Over 700 Stars Mysteriously Vanished in the Last 70 years, But Why? Anton Petrov.
• 9 Grouped Anomalies Appeared then Disappeared on a Star Survey in 1950 with Dr. Beatriz Villarroel. John Godier’s Event Horizon. 2021.
• Rymdforskaren Beatriz får utmärkelse av FN. Expressen (Swedish)
• L’Oreal-UNESCO prize 2021 (Sveriges Unga Akademi)
• För Beatriz går musiken och forskningen hand i hand. Tidningen Curie (Swedish)
• Are stars disappearing? John Godier’s Event Horizon. 2021.
• A hundred stars have disappeared—and researchers aren’t ruling out aliens. Popular Science, 2019.
• A Stellar Mystery: How Could 100 Stars Just Vanish? Air & Space magazine. 2019.
• El misterio de las 100 luces rojas que aparecieron y se desvanecieron del cielo en los 60 y 80’s. Voz Populi 2019 (Español)
• Episode 41 – The Vanishing Sources with Beatriz Villarroel. Wow! Signal Podcast (2019)
• Jakten efter försvunna stjärnor. Forskning & Framsteg. 2018.
• TEDx talk Erik Zackrisson. 2018.
• Stars are vanishing. The reasons why could reveal clues about alien life. Wired. 2017.
• Impossible vanishing stars could be signs of advanced alien life. New Scientist. 2017.
• Researchers Have Identified 100 Mysteriously Disappeared Stars in The Night Sky. Science alert. 2017.
• Breakthrough Discuss Conference Closes with Full Day Dedicated to Newly Discovered Exoplanets and SETI. Astrobiology. 2017.
• Burst 19 – Our Sky Now and Then. Wow! Signal Podcast. 2016.
• Morgonsoffan. Swedish television, TV4.
• SETI Through Disappearing Stars. John Godier’s Event Horizon. 2016.

Popular science articles

• Astronomical anomalies: Their Role in the Quest for Extraterrestrial Life. Written by Villarroel B. & Marcy G.. EdgeScience #49 (popular science article)
• Stjärnor som bara försvinner. Populär Astronomi. 2017 . Written by Mattsson L. & Villarroel B.

Research articles

• Enrique Solano, Beatriz Villarroel, Carlos Rodrigo, “Discovering vanishing objects in POSS I red images using the Virtual Observatory”, 2022, Monthly Notices of the Royal Astronomical Society, 515, 1380, arXiv: 2206.00907
• Beatriz Villarroel, Enrique Solano, Hichem Guergouri, Alina Streblyanska, Lars Mattsson, Rudolf E. Bär, Jamal Mimouni, Stefan Geier, Alok C. Gupta, Vanessa Okororie, Khaoula Laggoune, Matthew E. Shultz, Robert A. Freitas Jr., Martin Ward,“Is there a background population of high-albedo objects in geosynchronous orbits around Earth?”,  submitted, arXiv: 2204.06091
• Beatriz Villarroel, Lars Mattsson, Hichem Guergouri, Enrique Solano, Stefan Geier, Onyeuwaoma Nnaemeka Dom, Martin J. Ward, “A glint in the eye: photographic plate archive searches for non-terrestrial artefacts”,  2022, Acta Astronautica, 194, 106, arXiv: 2110.15217
• Beatriz Villarroel, Geoffrey W. Marcy, Stefan Geier, Alina Streblyanska, Enrique Solano, Vitaly N. Andruk, Matthew E. Shultz, Alok C. Gupta, Lars Mattsson, “Exploring nine simultaneously occuring transients on April 12th 1950”, 2021, Scientific Reports, 11, 12794.
• Beatriz Villarroel, Kristiaan Pelckmans, Enrique Solano, Mikael Laaksoharju, Abel Souza, Onyeuwaoma Nnaemeka Dom, Khaoula Laggoune, Jamal Mimouni, Lars Mattsson, Johan Soodla, Diego Castillo, Matthew E. Shultz, Rubby Aworka, Sébastien Comerón, Stefan Geier, Geoffrey Marcy, Alok C. Gupta, Josefine Bergstedt, Rudolf E. Bär, Bart Buelens, M. Almudena Prieto, Dismas Simiyu Wamalwa, Martin J. Ward, “Launching the VASCO citizen science project”, 2020 (preprint), arXiv
• Beatriz Villarroel, Johan Soodla, Sébastien Cómeron, Lars Mattsson, Kristiaan Pelckmans, Martín López Corredoira, Kevin Krisciunas, Eduardo Guerras, Oleg Kochukhov, Josefine Bergstedt, Bart Buelens, Rudolf E. Bär, Rubén Cubo, J. Emilio Enriquez, Alok C. Gupta, Iñigo Imaz, Torgny Karlsson, M. Almudena Prieto, Aleksey A. Shlyapnikov, Rafael S. de Souza, Irina B. Vavilova,  Martin J. Ward, `The Vanishing & Appearing Sources during a Century of Observations project: I. USNO objects missing in modern sky surveys and follow-up observations of a “missing star”‘, Astronomical Journal, 2020, 159, 8 (arXiv)
• Beatriz Villarroel, Iñigo Imaz and Josefine Bergstedt, ‘Our sky now and then: search for lost stars and impossible effects as probes of advanced extraterrestial civilisation‘, Astronomical Journal, 152, 76, 2016 (arXiv).

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