Space.com: Spaceweather.com is sponsoring a space photo contest with cash prizes for the best views of NASA’s NanoSail-D satellite. This NanoSail-D skywatching guide has some tips on how to track the satellite from the ground. NanoSail-D‘s primary mission is a demonstration of a compact solar sail system. This technology could lead to further development of solar sails for future missions, and could help satellites de-orbit cheaply and efficiently, according to officials.
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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