More people are low in iron than in any other micronutrient, according to the American Society of Hematology. But until now, there has not been a single agreed-upon threshold to determine who has iron deficiency.

The Rock & Roll Hall of Fame is keeping most of Saturday’s ceremony a surprise, with questions still swirling about who will perform and who will show up.

Rep. Jim Jordan has been selected by the Republican caucus to replace Rep. Mike Johnson as the party's new House leader.

US authorities charge three men over an alleged terror campaign targeting Jewish communities in Europe and the U.S. and RAF Fairford, a British base used by U.S. forces.

Sen. John Thune has been reelected as Senate Republican leader after a tense day of discussions about the party's widespread midterm defeats.