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Copernical Team
SpaceX deploys 3,500th Starlink satellite
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Europe's police keep wary eye on threat from 3D-printed guns
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Deep learning with light
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NASA instrument to measure temperature, pressure, and wind on Venus
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Why NASA is trying to crash land on Mars
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![](https://www.spxdaily.com/images-bg/mars-shield-simplified-high-impact-energy-landing-device-prototype-base-collapsible-bg.jpg)
A hydrogen-rich first atmosphere for Mars inferred from clays on its surface
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Celebrating Halloween and investigating ghoulish rocks from the Red Planet
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![](https://www.spxdaily.com/images-bg/mars-perseverance-halloween-ghoulish-rocks-sol-466-bg.jpg)
NASA orders three more Orion spacecraft from Lockheed Martin
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![](https://www.spxdaily.com/images-bg/artemis-3-crew-module-orion-pressure-vessel-lockheed-martin-opoc-contract-ksc-bg.jpg)
Sidus Space executes launch agreement with Vaya Space
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NASA's Curiosity Mars rover reaches long-awaited salty region
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![NASA’s Curiosity Mars rover used its Mast Camera, or Mastcam, to capture this panorama while driving toward the center of this scene, an area that forms the narrow “Paraitepuy Pass” on Aug. 14, the 3,563rd Martian day, or sol, of the mission. Credit: NASA/JPL-Caltech/MSSS NASA's Curiosity Mars rover reaches long-awaited salty region](https://scx1.b-cdn.net/csz/news/800a/2022/nasas-curiosity-mars-r-1.jpg)
After journeying this summer through a narrow, sand-lined pass, NASA's Curiosity Mars rover recently arrived in the "sulfate-bearing unit," a long-sought region of Mount Sharp enriched with salty minerals.
Scientists hypothesize that billions of years ago, streams, and ponds left behind the minerals as the water dried up. Assuming the hypothesis is correct, these minerals offer tantalizing clues as to how—and why—the Red Planet's climate changed from being more Earth-like to the frozen desert it is today.