The greatest movie ever filmed may not have actors, but the entire universe serves as its cast. The Vera C. Rubin Observatory in Chile has officially begun its 10-year Legacy Survey of Space and Time, ...

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Astronomers using NASA’s James Webb Space Telescope have created the clearest map yet of the universe’s “cosmic web” — the enormous hidden structure that connects galaxies across space. By analyzing ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...