Solar energy industry is flourishing in Mass.

The state is undergoing an unlikely solar power boom, attracting solar companies from around the country that are installing systems for homeowners, businesses, and institutions.

Demonstrators protested in front of the Syrian consulate in Istanbul on Sunday.

Syria denies responsibility for attack that killed at least 90

The Syrian government blamed the killings on ‘‘hundreds of heavily armed gunmen’’ who also attacked soldiers in the area.

US Army soldiers walked across a field during a patrol in Zahri district of Kandahar province, southern Afghanistan, on Sunday.

Afghan official: 8 civilians killed in airstrike

NATO said it is investigating after an airstrike that Afghan officials said killed eight members of a family, including children.

Mass. hospitals urged to apologize, settle

The ‘‘disclosure, apology, and offer’’ approach is the cornerstone of a new initiative to improve the state’s cumbersome and costly malpractice system.

Primary rival may distract Elizabeth Warren

As Mass. Democrats head to a state convention, party leaders fear that Warren will be bogged down in a primary fight that will block her from fully engaging Senator Brown.

Space Imaging/Getty Images, Globe Staff

ideas

The amazing expanding Pentagon

After a decade of “mission creep,” the Department of Defense has become America’s default tool for dealing with the world. Where does this leave the next president?

Allison Hammond and her daughter Lizzie, 4, now live in a new apartment. Lizzie has plans for “when Caleigh comes back.’’

Little Caleigh was gone, and so was family’s center

It’s been 5 weeks since a 2-year-old vanished on a Rockport beach, apparently swept away with the tide. Grief, anger, and a thread of hope have defined her family’s life since.

Bob Ryan

Savvy Celtics veterans scorched young Sixers

It's Year 5 of the Three-Year Plan, and Kevin Garnett, Paul Pierce and Ray Allen are still rolling.

Globe dispute key in ouster of Times CEO, article says

A conflict over The Boston Globe’s future between top execs and family members who control the New York Times Co. was a key factor in the ouster of Janet Robinson, New York Magazine reveals.

Sports

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Red Sox 3, Rays 2

Jarrod Saltalamacchia was greeted at home plate by his teammates after hitting a game-winning two-run blast against the Rays in the bottom of the ninth.

Saltalamacchia’s blast gives Red Sox walkoff win

Jarrod Saltalamacchia belted a two-run, pinch-hit homer to lift the Red Sox to a 3-2 victory over the Rays before a euphoric Fenway Park crowd.

Metro

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Brad Delp with fiancee Pamela Sullivan. An incident between Delp and Sullivan’s sister has been revealed.

Brad Delp’s last days detailed in court papers

Previously unreported evidence of a crisis involving Delp’s relationship with his fiancée and her sister sheds new light on the singer’s last days before his 2007 suicide.

Business

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