Washington Post: The North Atlantic Treaty Organization formed in 1949 as a military alliance among the US, Canada, and 10 northern and western European countries. Its raison d’être: mutual defense against the Soviet Union. The alliance now comprises 28 countries, including all three Baltic states, which used to belong to the Soviet Union, and Turkey, which borders Iran, Iraq, and Syria. The Washington Post‘s Karen DeYoung and Edward Cody review the new threats that NATO faces as its leaders convene in Lisbon, Portugal, to finalize a new overarching strategy. Russia’s president, Dmitry Medvedev, will also attend.
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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