Week in images: 30 March – 03 April 2026 Discover our week through the lens

Lasers could one day steer solar sails and adjust a satellite’s position in outer space, thanks to graphene. An experiment on a gravity rollercoaster ride showed how this innovative material has the potential to revolutionise propulsion beyond Earth.

On 6 April 2026, NASA’s Artemis II Mission, powered by ESA’s European Service Module (ESM), brought humans further than ever before.  But how do future astronauts train to live on the Moon, and what kind of lunar base could they create? That’s where school students like you can come in!

La commune de Nançay (Cher) bénéficie désormais d’une couverture en téléphonie mobile, fruit d’une mobilisation collective ayant associé les services de l’État, les opérateurs de téléphonie et l’Observatoire de Paris – PSL. Une solution équilibrée a ainsi pu être trouvée, conciliant l’amélioration de la connectivité du territoire et la protection des observations menées dans le

Tor Browser 15.0.9 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. Send us your feedback If you find a bug or have a suggestion for how we could improve this release, please let us know. Full changelog The full changelog

Running Tor relays requires constant work against adversaries, private and state-backed, who try to undermine the network by attacking the nodes that make it up. On top of that, some operators have to deal with seizures, raids, and direct physical access to hardware. There are precedents in Austria, Germany, the United States, Russia, and likely

This release is an emergency release to fix important security vulnerabilities in Tor Browser. Changes and updates Update Tor Browser to 15.0.9, which fixes several vulnerabilities in Firefox 140.9.1. We are not aware of these vulnerabilities being exploited in practice. Update the Tor client to 0.4.9.6. Update Thunderbird to 140.9.0. Update some firmware packages. This

Euro-Office’s announcement – which sees IONOS, Nextcloud and other companies coming together to create a European alternative to office productivity software – has predictably sparked a wave of comments. Most of these focus on the issue of licensing: is the code open source? Who controls the repository? What are the

Ideally, we would have preferred to avoid this post. However, the articles and comments published in response to Collabora’s and Michael Meeks’ biased posts compel us to provide this background information on the events that led to the current situation. Unfortunately, we have to start from the very beginning, but