(Left) Predicted concretion diameter for different nucleation density scaling exponents α. For α ≤ 1, diffusion controls at the Mars dust grain size and predictions match observations (green band). For
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A clump of sargassum – an invasive species of algae – floats along in the current off the short of La Parguera, Puerto Rico. NASA/Milan Loiacono NASA’s Center of Excellence
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This pair of images shows stars observed Feb. 6, 2026, by the SPARCS space telescope simultaneously in the near-ultraviolet, left, and far-ultraviolet, right. The fact that one star is seen
Cosmic rays are one of the greatest challenges for space travel and pose a considerable risk to humans and materials. For the first time on European soil, an international research
NASA cleared its moon rocket on Thursday for an April launch with four astronauts after completing the latest round of repairs.
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