How moonquakes could rattle Artemis astronauts
If lunar tectonic activity is more prevalent than thought, the landing gear design for the tall Starship HLS may need ...
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The Moon’s epic ‘grand canyons’ were gouged out in 10 minutes
Back to Article List The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the ...
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Why do the solar system’s planets have different compositions?Â
Back to Article List From the February 2025 issue While the composition of gas and dust in a molecular cloud ...
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Scientists find life’s ‘building blocks’ in asteroid Bennu samples
The asteroid 101955 Bennu appears in this mosaic of images captured by the OSIRIS-REx spacecraft. Credit: NASA/Goddard/University of Arizona The ...
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20 years ago, the discovery of Eris changed everything
Eris is too distant for even the largest telescopes to resolve into a disk. This artist’s concept shows astronomers’ best ...
Read moreDetailsNASA Juno Mission Spots Most Powerful Volcanic Activity on Io to Date
Even by the standards of Io, the most volcanic celestial body in the solar system, recent events observed on the ...
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Does a comet’s period change because it loses mass every time it nears the Sun?
Several bright jets spew from the surface of Comet 67P/Churyumov-Gerasimenko as ices on the nucleus turn to gas. This image ...
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BepiColombo nabs its best views yet of Mercury
Back to Article List The European-Japanese spacecraft made its closest flyby of Mercury to date, buzzing the planet’s north pole ...
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Where is the solar system heading?
Back to Article List The Sun, the planets, and all the other flotsam and jetsam that constitute the solar system ...
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The middle-aged Moon had a magnetic field
Back to Article List New findings suggest the Moon held on to its magnetic field for most of its life ...
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