After ban on execution of "intellectually disabled" people, the Supreme Court is asked to clarify how to decide who qualifies ...

The Supreme Court grappled on Wednesday with how courts consider multiple intelligence quotient tests when evaluating if a ...

Seth P. Waxman, Smith’s lawyer, told the justices that the lower federal courts in his client’s case correctly applied ...

Decades ago, the Supreme Court said inmates who are intellectually disabled can't be executed. Now, it weighs the use of IQ ...

The justices wrestled with whether to allow Alabama to execute a man with low cognitive function, a ruling that could set new ...

The US Supreme Court on Tuesday, December 10, heard oral argument in Hamm vs. Smith, a capital case that could reshape how ...

The Supreme Court on Wednesday grappled with where the line should be drawn on intellectual disability when the death penalty ...

The US Supreme Court will hear Hamm v. Smith on Wednesday, December 10, a death penalty case testing how courts should treat ...

The U.S. Supreme Court is set to hear arguments in a case that advocates say could have major implications for how ...

The U.S. Supreme Court grappled on Wednesday with a bid by Alabama officials to pursue the execution of an inmate convicted ...

(CNN) -- IQ scores have been steadily falling for the past few decades, and environmental factors are to blame, a new study says. The research suggests that genes aren't what's driving the decline in ...