takes

Perseverance Takes A Second Look At Some Ancient Rocks

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This image shows Perseverance's landing ellipse (green circle) and the different regions in the Jezero Crater. The rover is currently exploring the crater rim, shown in purple. Image Credit: NASA/JPL-Caltech/USGS/University of Arizona

A planet’s history is told in its ancient rock. Earth’s oldest rocks are in the Canadian Shield, Australia’s Jack Hill, the Greenstone Belts in Greenland, and a handful of other locations. These rocks hold powerful clues to our planet’s history. On Mars, the same holds true. That’s why NASA’s Perseverance rover is revisiting some of … Read more

Dramatically Decreasing the Time it Takes to Measure Asteroid Distances

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The Vera Rubin Observatory is poised to begin observations in 2025. It could detect 130 Near Earth Objects each night. Image Credit: Rubin Observatory/NSF/AURA/B. Quint

We all know that asteroids are out there, that some of them come dangerously close to Earth, and that they’ve struck Earth before with catastrophic consequences. The recent discovery of asteroid 2024 YR4 reminds us of the persistent threat that asteroids present. There’s an organized effort to find dangerous space rocks and determine how far … Read more