Des décharges électriques ont été enregistrées au sein des tempêtes et des tourbillons de poussière – les dust devils – qui parcourent la surface de Mars. Captés de manière inédite par le microphone de l’instrument SuperCam embarqué sur le rover de la NASA Perseverance, ces signaux ont été analysés, au sein d’une équipe internationale, par […]

Le 1er décembre 2025, l’ESO a signé l’accord lançant pour l’Extremely Large Telescope (ELT) la conception et la construction de MOSAIC, le un spectrographe multi-objets de sur lequel travaillent les équipes de l’Observatoire de Paris – PSL depuis une dizaine d’années. Capable d’observer simultanément plus de200 sources, MOSAIC permettra de carto graphier la matière depuis

Cartes du ciel des étoiles brillantes et des planètes visibles dans le ciel de l’hémisphère nord, vers l’horizon nord et l’horizon sud, pour le 15 novembre 2025. – Actualités > Le ciel du mois

Cartes du ciel des étoiles brillantes et des planètes visibles dans le ciel de l’hémisphère nord, vers l’horizon nord et l’horizon sud, pour le 15 décembre 2025. – Actualités > Le ciel du mois

With the recent release of Tor Browser 15.0, we have come out of yet another ESR-transition season whereby Tor Browser has been updated to the latest version of Firefox Extended Support Release (ESR). Historically, we have spent several months each year on this work. It is a very important and methodical process which ensures Tor

Arti is our ongoing project to create a next-generation Tor implementation in Rust. We’re happy to announce the latest release, Arti 1.8.0. This release introduces a new, usage-based, timeout for strongly isolated circuits, as specified in proposal 368. Arti now has experimental tokio-console support for development and debugging purposes. To use this feature, you will

The Document Foundation (TDF) is the non-profit entity behind the LibreOffice project. It collects donations from users, and employs a small team to support and coordinate the worldwide community that makes the software. In TDF there are various bodies including the Board of Directors, Membership Committee, and the Board of Trustees: These foundation bodies are

Last month, Firefox turned 21, marking two decades of building a web that reflects creativity, independence and trust. At TwitchCon, we celebrated by launching billionaires into space and launching a new card game, Data War.  Billionaire Blast Off started with a simple premise: send billionaires into space and have fun doing it. With Data War,

Fast Company has named Firefox to its 2025 “Brands That Matter” list, recognizing companies that go beyond acquiring customers to build meaningful relevance and cultural impact. For us, that honor reflects a simple truth about Mozilla’s mission: We build Firefox to give people agency and choice every time they go online. In 2025 this brand