ScienceNow: Nearly 25 years ago, astronomer Carl Sagan and other scientists predicted that a full-blown nuclear war between the United States and the Soviet Union would create a climate catastrophe on a global scale. Now, most of those same researchers have employed much more powerful climate models to show that even a limited conflict employing nuclear weapons would affect the world’s weather for years and perhaps decades.
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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