New research says people arrived in Americas much earlier and coexisted with giant sloths and mastodons PBS NewsHour

The U.S. cannot deport American citizens and Secretary of State Marco Rubio said from Costa Rica that "we have a Constitution" but called the offer very generous.

A highly decorated Army soldier who died in an explosion of a Tesla Cybertruck at the Trump hotel in Las Vegas left a note saying it was a stunt to…

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe case of the illness, the U.S. Centers for Disease Control and Prevention said this week.