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Initiative for Interstellar Studies

Working towards the achievement of interstellar flight through knowledge to the stars - Starships in our lifetime

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You are here: Home / Membership Signup

Membership Signup

Membership Details

The best way to support the mission of i4is is to become a subscribing member. You can directly support the interstellar programme and even get involved with our projects! We are a growing community of enthusiasts who are passionate about taking the first steps on the path toward interstellar travel now.

Besides the tremendous contribution you will be making by financially supporting our activities, and getting involved yourself, the additional benefits of membership are:

  1. early access to select Principium articles before publicly released;
  2. member exclusive email newsletters featuring significant interstellar news;
  3. access to our growing catalogue of videos;
  4. participate in livestreams of i4is events and activities;
  5. download and read our annual report;

Subscription costs £50 per year. If you are over 65, you can avail of the concessionary rate of just £10 per year. Students in full-time education can become members of i4is for just £5 per year. Please use your institutional email account if you have one.

You can also subscribe monthly. Monthly payments are £5 per month (equivalent to £60 per year).

If you would like to find out more about i4is, please register for our quarterly magazine, Principium. We would also be grateful if you could promote i4is membership with our collection of posters and video.

If you have any specific questions, please see our membership FAQ or email the membership manager at membership@i4is.org.

How to become a member

To support the mission of i4is through your subscription, please select the appropriate membership option, complete the form and click on the payment link. Currency conversion is automatic. You can cancel at any time via your membership Settings page:

Please ensure you select the correct membership plan under “Checkout Options”.

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Annual Membership - £50 per annum
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Blog

Mission to an Interstellar Object

5 May 2026

Adam Hibberd Many readers in-the-know will have heard of the future ESA ‘Comet Interceptor’ mission, due to launch in 2029. For those not-in-the-know it is a spacecraft desgined to loiter at the famous Sun/Earth Lagrange 2 (L2) point for a few years, waiting for a ‘pristine’ Oort Cloud comet to come flying in to the […]

Members Newsletter – April

30 April 2026

Dami Lee on Project HyperionWe were really happy to see that our Project Hyperion competition (https://www.projecthyperion.org/) captured the imagination of the architect and Youtuber Dami Lee, who posted a detailed and thoughtful video commentary ‘Can Humans REALLY Leave Earth?’ Over one million views! Check it out: https://m.youtube.com/watch?v=BBb2gC0lByk&pp=0gcJCVACo7VqN5tD(You may want to skip the ads that are […]

Members Newsletter – March

31 March 2026

News from i4isThe i4is Educational team are currently recruiting! If any of our members are interested, and especially if you are in striking distance of London or Lincoln, both in the UK, we could do with support at the April events mentioned below. You can read about some of the activities in recent issues of […]

Principium 52

2 March 2026

Principium 52 has gone out to subscribers and is now accessible to all

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Join i4is for a journey to the stars!

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Contact i4is

Initiative for Interstellar Studies
27/29 South Lambeth Road
London, SW8 1SZ
United Kingdom

info@i4is.org

Starship Blog

Mission to an Interstellar Object

Members Newsletter – April

Members Newsletter – March

Principium 52

Donate

The Initiative for Interstellar Studies is entirely dependent upon the goodwill of its volunteer teams, the minor amounts we receive from our activities and the sale of our merchandise but also the kindness of donors. In order to advance our mission of achieving interstellar flight over the next century, we need your help and support. If you are feeling generous we would very much appreciate your help in moving our mission forward. Make a donation » about Donate

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