Falsehood and dissimulation, problematic in the criminal justice system, are ubiquitous in nature. Understanding the psychological origins of lying may help us to guard against it.

The U.S. Supreme Court struck down President Donald Trump's effort to end birthright citizenship on Tuesday, after ruling in favor of bans on transgender athletes in women's sports.

The justices lean in on core constitutional principles—even if that means shaking up the political status quo.