Going Low and Slow in Testing

NASA’s X-59 quiet supersonic research aircraft flies above NASA’s Armstrong Flight Research Center in Edwards, California, on April 28, 2026, during testing focused on lower-speed and altitude flight conditions in support of NASA’s Quesst mission. The X-59 has completed initial test flights at high altitudes and near-supersonic speeds, opening the door for additional flights focused

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SKAO : la communauté astrophysique française mobilisée pour le plus grand observatoire radio du monde

Du 19 au 21 mai 2026, la communauté astrophysique française s’est réunie à l’occasion de la conférence qui s’est tenue sur le campus meudonnais de l’Observatoire de Paris – PSL autour de « SKA : un observatoire pour l’ensemble de la communauté », organisée sous l’impulsion de la Commission Spécialisée Astronomie-Astrophysique (CSAA) de l’INSU. Ce

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How the community trained Gemma to « Think » with Tunix and TPUs

The Google Tunix Hackathon on Kaggle challenged developers to transform small, non-reasoning base models into general reasoning engines using Kaggle TPUs and a limited compute budget. The winning teams achieved this by implementing multi-stage post-training pipelines that combined Supervised Fine-Tuning (SFT) with advanced alignment techniques like GRPO and SimPO. Ultimately, the competition democratized AI development

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NASA’s Roman Mission Preps to Unveil New Populations of Faraway Worlds

NASA’s Nancy Grace Roman Space Telescope is poised to make a major leap in the hunt for worlds outside our solar system, known as exoplanets. Scientists expect the mission to reveal around 100,000 worlds — a staggering leap compared to the nearly 6,300 found so far thanks to NASA missions working in tandem with other

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Growing Stem Cells in Space to Improve Cancer and Disease Treatments

Expedition 74 astronauts aboard the International Space Station are continuing research efforts to manufacture large quantities of stem cells for therapies on Earth. Previous studies have focused on fine-tuning hardware that allows scientists to produce greater quantities of high-quality stem cells. Now, the InSPA-StemCellEX-H2 investigation is aiming to demonstrate large scale production of blood stem

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