The participants in the Santa Barbara Half Marathon experienced “similar symptoms of undetermined cause,” officials said.

NBC News projects that Proposition 40, which split Democrats in the state and nationally, failed after facing a barrage of attack ads.

Trump defends Hegseth as he faces impeachment push; Nvidia CEO investigated in China spy scandal; Ole Miss investigates ...

From drones that track targets to software that helps plan attacks, Ukraine is using AI to gain an edge against Russia and ...

The school district and immigration advocates said the boy was separated from his cousins and uncle, who was taking care of ...

In his first post-midterm news briefing, President Donald Trump on Monday talked about Nvidia CEO Jensen Huang’s affair with ...

An investigation is underway after at least 25 runners sought medical treatment for “unusual symptoms" after running a half ...

Workers at Save the Chimps in Florida used a drone to deliver food and supplies to their stranded chimpanzees after historic ...

The FBI says an individual has been taken into custody in connection to the alleged homicide on the MSC Seascape. A ...

House Democratic Caucus Chair Pete Aguilar tells NBC News' Ryan Nobles that he believes that House Democratic leaders are all ...

The “honey trap” has been used by spies for generations to steal valuable secrets. Now, the same tactic is raising concerns ...

Rep. Pete Aguilar (D-Calif.), chair of the House Democratic Caucus, joins Meet the press NOW to discuss the newly introduced ...