Night sky showing the Milky Way as a dense river of stars, colored blue, purple, and pink.

How Stars Are Born, Live, and Die

A star spends its life in a contest between two forces. Gravity pulls its gas inward. Pressure pushes back—first from heat, then from nuclear fusion in the core. For most of the star’s life those forces stay in balance. Astronomers call that balance hydrostatic equilibrium. When the fuel runs out, the balance breaks. What happens…

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Overhead view of a Clippers basketball game at Staples Center, with the jumbotron reading “CLIPPERS WIN.”

NBA Fines Clippers $30 Million and Strips Five First-Round Picks After Salary-Cap Inquiry

The National Basketball Association announced on September 2 that the Los Angeles Clippers violated salary-cap circumvention rules in the league’s collective bargaining agreement and imposed penalties on the franchise, owner Steve Ballmer, two team executives, and forward Kawhi Leonard. According to the NBA, a summary report prepared by the law firm Wachtell Lipton found that…

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