Scarlet Knight, also called RU-27, was at sea for 221 days. Her predecessor had disappeared on a similar trip, probably killed by a shark.The people responsible for building, funding, and flying Scarlet hope the end of the robot’s successful voyage will mark a new start in ocean and climate research.
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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