'Permanent bone loss': Calgary study finds astronauts suffer on return to Earth

FILE - Canadian astronaut Robert Thirsk talks with students from Rockcliffe Elementary School as they get a first look at The Living In Space exhibit during its unveiling at the Canadian Aviation and Space Museum in Ottawa on Thursday, May 12, 2011. (THE CANADIAN PRESS/Sean Kilpatrick) FILE - Canadian astronaut Robert Thirsk talks with students from Rockcliffe Elementary School as they get a first look at The Living In Space exhibit during its unveiling at the Canadian Aviation and Space Museum in Ottawa on Thursday, May 12, 2011. (THE CANADIAN PRESS/Sean Kilpatrick)

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U.S. Justice Dept. seeks to unseal search warrant of Trump home

The U.S. Justice Department is asking a federal court to unseal the warrant the FBI used to search the Mar-a-Lago estate of former president Donald Trump, Attorney General Merrick Garland said Thursday, acknowledging extraordinary public interest in the case about classified records.

Man who tried to breach FBI office killed after standoff

An armed man clad in body armor who tried to breach the FBI's Cincinnati office on Thursday was shot and killed by police after he fled the scene and engaged in an hourslong standoff in a rural part of the state, the Ohio State Highway Patrol said.