Latest Nation headlines

National Guard called out in Baltimore as police and youth clash; 15 officers injured

Protesters in Northwest Baltimore looted stores, set fires, and pelted police in riot gear with rocks Monday, hours after Freddie Gray, the black man who has become the nation’s latest symbol of police brutality, was laid to rest amid emotional calls for justice and peace.At least 15 police were injured and two were hospitalized.

Television producer David Simon calls for riots to end

David Simon, a journalist, author, and television producer, wrote blog posts Monday night about the riots in Baltimore in which he called for the riots to end.

New study finds strong link between weather extremes, global warming

The moderate global warming that has already occurred as a result of human emissions is responsible for about 75 percent of daily heat extremes and about 18 percent of precipitation extremes, scientists reported Monday.

Loretta Lynch sworn in as new US attorney general

Loretta Lynch was sworn in Monday as the 83d US attorney general, the first African-American woman to serve as the nation’s top law enforcement official.

Police sent to prison for using Taser on disabled woman

One small-town South Carolina police officer was sentenced Monday to 18 months in prison, and a second to a year and a day for unnecessarily shocking a mentally disabled woman with a Taser at least eight times..

Texas English teacher named National Teacher of the Year

A high school English teacher in Texas who works with students facing poverty and traumas related to their immigration to the United States on Monday was named the 2015 National Teacher of the Year.

JFK: 50 Years Later

Special section

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A five-part series examining the profound impact of former President John F. Kennedy’s assassination.

Globe Investigations

Special section

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/10/01/BostonGlobe.com/Special/Images/magnifying_glass1500618-081--90x90.jpg Recent investigative reports

Read recent stories and ongoing investigations from the Globe’s journalists.

Gay marriage in the US

Interactive Graphic

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/08/01/BostonGlobe.com/National/Images/Untitled-12.jpg How same-sex marriage laws evolved

In the early 1970s, there were zero states banning or allowing same-sex marriage, and no states offered civil unions or domestic partnerships.

Instagram

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/12/17/BostonGlobe.com/Metro/Images/a4a68392593311e3a80a0a154a02c3a8_7-7210--90x90.jpg Boston Globe Instagram photos

A live stream of Instagram posts from The Boston Globe photo department.