Latest Nation headlines

Cyclists tried to scare cougar but it attacked, killing 1

The two mountain bikers did what they were supposed to do when they noticed a mountain lion tailing them on a trail east of Seattle. It wasn’t enough, authorities said.

‘Hope and healing’: Texas town worships after school shooting

Congregations gathered Sunday for their first worship services since a teen gunman blasted his way into a high school art classroom and killed 10 people.

Houston police chief says he has ‘hit rock bottom’ on gun rights arguments

Hours after 10 people were killed in a school shooting in Santa Fe, Texas, the police chief in nearby Houston issued a defiant condemnation of elected officials who failed to act on gun control.

Oliver North, incoming NRA chief, blames school shootings on ‘culture of violence’

Appearing on ‘‘Fox New Sunday,’’ the retired marine best known for his role in the Iran-contra scandal said, ‘‘You are not going to fix it by taking away the rights of law-abiding citizens.’’

Lava spatter hits Hawaii man and shatters his leg in first known injury from Kilauea volcano

As lava continues to flow in Hawaii, a man on a balcony was struck.

Suspect had message for classmates: ‘You will pay’

Authorities said 17-year-old Dimitrios Pagourtzis confessed to opening fire at his Texas high school on Friday.

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 Timeline of gay marriage in US

In the early 1970s, there were zero states banning or allowing same-sex marriage. Now it’s legal nationwide, and all bans have been overturned.

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.