Geopolitical shifts are driving government interest in Telesat’s LEO plans, according to the Canadian operator, validating its move beyond geostationary satellites as Starlink erodes its legacy broadband business.

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Meet Arnaud Prost—aerospace engineer, professional diver, and member of ESA’s Astronaut Reserve. From flying aircraft to getting a taste of spacewalk simulation, his passion for exploration knows no bounds.

In this miniseries, we take you on a journey through the ESA Astronaut Reserve, diving into the first part of their Astronaut Reserve Training (ART) at the European Astronaut Centre (EAC) near Cologne, Germany. Our “ARTists” are immersing themselves in everything from ESA and the International Space Station programme to the European space industry and institutions. They’re gaining hands-on experience in technical skills like spacecraft systems and robotics, alongside

Plainsboro NJ (SPX) Mar 26, 2025
When the plasma inside a fusion system starts to misbehave, it needs to be quickly cooled to prevent damage to the device. Researchers at Commonwealth Fusion Systems believe the best bet is a massive gas injection: essentially, a well-timed, rapid blast of cooling gas inside their fusion system, which is known as SPARC. But how many gas valves does it take to quickly tame a plasma that is hotter

The GAO has denied a protest from a company over a contract that is part of the Office of Space Commerce’s space traffic coordination system.

Image: The Copernicus Sentinel-2 mission captures the striking landscape surrounding the Waza National Park in Cameroon.