Science: Problems with a key sensor could further delay the first flight of a troubled $12.5 billion U.S. weather and climate satellite program. Science has learned that the technical problems not only threaten the planned June 2010 inaugural launch of the National Polar-orbiting Operational Environmental Satellite System (NPOESS) but also could imperil the satellites’ ability to collect reliable climate measurements during the next decade.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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