A unanimous Supreme Court instructed the Fifth Circuit to reconsider the harmless error rule for agency action.

The rhythm of artificial intelligence (AI) development has become unsettlingly familiar. A new model is unveiled, and with it comes a predictable flurry of media attention. One cluster of articles ...

The Supreme Court allows Department of Education layoffs, a federal court upholds a mifepristone ban, and ...

The Supreme Court preserves preventive services coverage but emboldens the HHS Secretary.

When a project like the rail line has significant environmental impacts, NEPA requires a “detailed statement” that discusses the project’s negative environmental effects and reasonable alternatives.

Your source of news, analysis, and opinion on regulatory law and policy sponsored by the Penn Program on Regulation at the University of Pennsylvania ...

Kennedy, a case that concerns how hospitals that treat a large share of low-income patients are paid by the Medicare program.

The Supreme Court runs afoul of its own equal protection doctrine by ignoring explicit classifications.