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A 30-fold expansion of the solar-twin catalog shows the Sun migrated 10,000 light-years outward from the galactic center between four and six billion years ago, carried by the forming central bar.

Six months of observations of the third interstellar object ever detected have uncovered water, methane, and hydrogen cyanide in its coma--and a Jupiter flyby on March 16 could yield the closest-ever look at an interstellar visitor.

A 15-hour JWST observation has produced the first three-dimensional map of Uranus's ionosphere, confirming decades-long atmospheric cooling and exposing how the planet's tilted, offset magnetic field sculpts complex auroral structures unlike any seen elsewhere in the solar system.

Europe's Ariane 6 flew its four-booster configuration for the first time, delivering 32 Amazon Leo satellites in the heaviest payload ever launched by a European rocket.

NASA's SpaceX Crew-12 mission is confirmed for February 11 after FAA clears Falcon 9 following a second-stage anomaly, while a historic policy change will let astronauts carry personal smartphones into orbit for the first time.