Newsletter

Preprints from Principium 50, August 2025Members can access preprints of articles to be published in Principium issue 50 August 2025. Please report any errors or omissions to the Editor at – john.davies@i4is.orgThe preprints are –· International Astronautical Congress – IAC25 – Sydney 29 September – 3 October -Announced Interstellar PresentationsWhether you are attending this year’s […]

I4is Workshops at the Royal Institution London 7/8th AugustThe i4is education team will be once again bringing the Skateboards to Starships workshops to the Royal Institution in August. For those not familiar we show how the physics and maths of jumping off a skateboard can be used to understand how rockets work and how different […]

i4is Workshops at the Royal Institution of Great BritainFor the first time i4is has been invited to deliver a second set of Holiday Workshops at the Royal Institution of Great Britain. Sign up your budding space scientists, engineers and just dreamers. The workshops are typically limited to 24 school students so sign up now!Holiday workshops: […]

Is There Life on an Alien Planet?Universe Today and others report Is There Life on an Alien Planet? Fresh Findings Revive the Debate, Alan Boyle April 17, 2025 (https://www.universetoday.com/articles/fresh-findings-fuel-debate-about-life-on-alien-world).Boyle cites two papers – {Deciphering Sub-Neptune Atmospheres: New Insights from Geochemical Models of TOI-270 d, Christopher R. Glein, Xinting Yu and Cindy N. Luu (all Southwest […]

Breakthrough Discuss, 23-24 April Oxford UKBreakthrough Initiatives are now based at the University of Oxford and their annual Breakthrough Discuss conference is now in that city. Registration for both remote and in-person attendance is at -https://web.cvent.com/event/fa7350bd-1b0f-45f0-a508-28b529ca5f5b/summary where you will also find the wide range of topics to be discussed. Examples ranging from How to Detect […]

A Farewell Message from Your Newsletter EditorWith this final edition of the i4is Member’s Newsletter under my tenure, I would like to take a moment to express my sincere gratitude to the i4is community. It has been a privilege to share updates on the latest advancements in interstellar research and space technology, and to contribute, […]

Guest News Item: Missions to 2024 YR4 by Adam HibberdA newly discovered asteroid, 2024 YR4, has been identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS) and currently has an estimated 2.1% chance of impacting Earth on December 22, 2032 [1,2]. This presents a unique opportunity to apply my software, Optimum Interplanetary Trajectory Software (OITS) […]

i4is Members’ ReportsThe i4is Members’ Report for 2022 and 2023 has now been published. The report summarises the work of i4is between January 2022 and December 2023, highlighting key developments such as the Swarming Proxima Centauri study, the second i4is/LSI Summer School, and the continuing high level of media interest in our work on Project […]

New Editor and additional team members for i4is Principium, the interstellar quarterly magazineAfter 10 years and 41 issues John Davies will be stepping down as Editor after the 50th issue, August 2025. He will be working with Deputy Editor Patrick Mahon and the i4is Board of Directors over the next three months to appoint a […]

Project HyperionProject Hyperion, an initiative of the Initiative for Interstellar Studies (i4is), has launched a competition inviting public participation in designing a generation ship capable of interstellar travel. Generation ships, self-sustaining spacecraft designed to support human crews over centuries-long journeys, represent a viable solution for reaching exoplanets given the technological and logistical challenges of achieving […]

Principium 47 preprints Principium 47 will be published in November 2024. These preprints of articles from this issue are now available to members – Interstellar News, eight pages of Interstellar News https://i4is.org/wp-content/uploads/2024/10/interstellar-news-Principium47-2410280851comp.pdf News Feature, abstracts from JBIS and Acta Astronica https://i4is.org/wp-content/uploads/2024/10/The-Journals-Principium47-2410271602-comp.pdf Report from the Space Propulsion Conference 2024 Glasgow, 20-23 May 2024, 9th 3AF (Association […]

The First European Interstellar SymposiumThe First European Interstellar Symposium is happening in Luxembourg December 2nd-5th . Earlybird pricing for registration to the symposium ended on September 30th. Pricing is now 450 Euros ($502). More information can be found here: https://irg.space/first-european-interstellar-symposium/ i4is Presents at NASA NIAC 2024On 12 September 2024, Marshall Eubanks and the i4is team […]