A weird cloud forms on Mars each year and now we know why

Published on September 11, 2025

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now

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Sentinel-1D in French Guiana for launch campaign

September 11, 2025
The fourth satellite for the Copernicus Sentinel-1 mission, Sentinel-1D, has arrived at Félix Eboué airport, the main airport in French Guiana. From there the spacecraft, safely stored in its protective casing, will be transported to launch preparation facilities at the European Spaceport in Kourou.

NASA’s Sean Duffy surprising leadership

September 11, 2025
In this week’s episode of Space Minds, host Mike Gruss is joined by SpaceNews senior writer Jeff Foust to break down the surprising appointment of Sean Duffy as NASA’s Acting Administrator.The post NASA’s Sean Duffy surprising leadership appeared first on SpaceNews.