New Boston Marathon security rules issued

The Boston Athletic Association announced restrictions on strollers, backpacks, and runners’ costumes for the race.

DNA blood test can detect prenatal problems

A study led by Boston researchers shows that a blood test is superior to standard screening methods for detecting chromosomal abnormalities in a fetus.

Teen in custody case won’t be moved to new foster care

A North Shore foster care facility backed out due to the national media attention Justina Pelletier’s case has garnered, sources said.

Walsh keeping options open on Revere casino

Boston’s mayor may pursue a “host community” agreement, which would give the city significant input on the project.

A.J. Pierzynski is expected to replace Jarrod Saltalamacchia as the new Red Sox everyday catcher.

Jim Davis/Globe Staff

Dan Shaughnessy

In A.J. Pierzynski, Red Sox have MLB’s ‘most hated’

The new Red Sox catcher can be hard-headed with teammates and grating on opponents. But the grizzled veteran just wants to win.

The 2014 Academy Awards | graphic

Oscar picks: Good as gold

Who will win and who should win? Ty Burr and Janice Page play the Academy odds.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/02/26/BostonGlobe.com/National/Images/521f6f9075fb4979b4af698628478729-521f6f9075fb4979b4af698628478729-0-2091.jpg Texas gay marriage ban struck down

A federal judge left the state’s ban on gay marriage in place pending a ruling by an appeals court later this year.

An artist's conceptual rendering of Kepler-62f, a super-Earth-size planet in the habitable zone of a star smaller and cooler than the sun, located about 1,200 light-years from Earth in the constellation Lyra.

NASA Kepler telescope doubles number of known planets

The new discovery of distant worlds is making astronomers rethink the very nature of multi-planet solar systems.

Opinion

NICHOLAS BURNS

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/02/26/BostonGlobe.com/EditorialOpinion/Images/burns-1576.jpg Cold War passions in Ukraine

Ukraine is well within the Russian sphere of interest and influence, but events there matter to the US, too.

Sports

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On Basketball

Celtics coach Brad Stevens hasn’t had a dependable scorer.

Hard to find positives with Celtics’ play

The Celtics are approaching 40 losses, are out of playoff contention, and are being schooled by teams with comparable records.