Washington Post: In a speech last week, Undersecretary of State Robert G. Joseph warned that other nations, and possibly terrorist groups, are “acquiring capabilities to counter, attack and defeat U.S. space systems.” As a result, he said, the United States must increase its ability to protect vital space equipment with new technologies and policies. The speech was the first public discussion of the new US space policy that was announced in October. It makes clear that the administration would give the impression of reacting forcefully to any attempt to interfere with U.S. space technology -- whether used by the military or by businesses ranging from paging services and automated teller machines to radio and television providers.
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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