Crux | Pope's visit to the US

Live video: Francis celebrates Mass in Philadelphia

The event was expected to attract up to a million people, or maybe more.

Carlos Barria/Reuters

Pope Francis arrived at the Festival of Families Sunday Mass.

Todd Heisler/Reuters

Pope Francis greeted officers at the Curran-Fromhold Correction Facility.

Todd Heisler/Getty Images

The pope visited with inmates at the Curran-Fromhold Correction Facility.

SAMADJEWEL SAMAD/AFP/Getty Images

The pontiff led an open-air Mass at the Benjamin Franklin Parkway.

Carl Court/Getty Images

People gathered along Benjamin Franklin Parkway ahead of the pontiff-led Mass.

Michael Perez/AP

Crowds choked the Benjamin Franklin Parkway.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/27/BostonGlobe.com/Metro/Images/f7992d0d88214e529beb7b9465379602-f7992d0d88214e529beb7b9465379602-0.jpg How big is the crowd in Philadelphia?

Organizers expect up to 1.5 million to attend, but an accurate count will be difficult, an expert said.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/27/BostonGlobe.com/Metro/Images/Was8967209.jpg Pope Francis speaks with abuse survivors, vows accountability

The meeting in Philadelphia was organized by Cardinal Sean P. O?Malley, the archbishop of Boston.

A triumphant Donald Trump heralded the opening of the Taj Mahal Casino in Atlantic City on April 5, 1990.

Charles Rex Arbogast/Associated Press/file

Donald Trump had a mixed record in Atlantic City

For a time, it felt like Trump made the old casino town great again. But then, for some, his dream became a nightmare.

Two people die in fiery car crash in Lowell

A car carrying two people struck a utility poll on Bridge Street, flipped over and caught fire, police said.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/24/BostonGlobe.com/Business/Images/turner092415BIZ27millennialre12.jpg Millennials face tough obstacles to buying a home

Student debt, a lack of savings thanks to hefty rents, and limited housing stock all make it a challenge for younger adults to buy.

A lunar eclipse in October 2014, as seen from Tokyo.

Yoshikazu TSUNO/AFP/Getty Images/File

Lunar eclipse, supermoon today in rare celestial event

The events have taken place simultaneously only five times since the start of the century, and will not happen again until 2033.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/11/BostonGlobe.com/Metro/Images/KNP_4423A.jpg Boy Scout organizations split over Nantucket property

A plan to sell a patch of pristine island property has pitted leaders of Boy Scouts on Nantucket and Cape Cod against each other.

John Tlumacki/Globe Staff

Tom Brady walked off the field after a stellar day for him and the Patriots.

Jim Davis/Globe Staff

Offensive Coordinator Josh McDaniels congratulated Brady after his 400th career touchdown pass.

John Tlumacki/Globe Staff

Keshawn Martin scored in the 3d quarter.

Jim DAvis/Globe Staff

Tom Brady threw career TD pass 400.

Jim DAvis/Globe Staff

Danny Amendola gave the ball to a fan.

Jim Davis/Globe Staff

Dion Lewis carried the ball.

Jim Davis/Globe Staff

Rob Gronkowski ran with the ball.

Jim Davis/Globe Staff

Gronk was tackled by Demetrius McCray.

Jim Davis/Globe Staff

Dion Lewis scored in the first quarter.

Jim Davis/Globe Staff

Tom Brady needed one TD pass for 400.

John Tlumacki/Globe Staff

Marqise Lee carried the ball.

John Tlumacki/Globe Staff

Blake Bortles took to the air.

John Tlumacki/Globe Staff

Fans at the game.

Patriots 51, Jaguars 17

Jaguars simply no match for red-hot Patriots

Tom Brady reached a career milestone as the Patriots dominated from start to finish Sunday.

Ben Volin | Instant Analysis

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/27/BostonGlobe.com/Sports/Images/davis_patsjags10_Spts.jpg After romp over Jaguars, Patriots still have room to improve

We knew the game would be a blowout, and the Patriots? 51-17 win felt like a varsity-JV scrimmage.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/27/BostonGlobe.com/ReceivedContent/Images/davis17.jpg Brady is fourth quarterback to throw 400 TD passes

Tom Brady joins Peyton Manning, Brett Favre, and Dan Marino in the 400 club.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/27/BostonGlobe.com/Sports/Images/c06676098c0a42609499375d4a05c325-c06676098c0a42609499375d4a05c325-0.jpg Gostkowski sets record for consecutive extra points

With his 423d straight extra point, Stephen Gostkowski broke the record previously held by Matt Stover.

Boston, Massachusetts -- 9/27/2015-- Don Orsillo waves to the crowd as the Red Sox pay tribute to him during the seventh inning against the Baltimore Orioles at Fenway Park in Boston, Massachusetts September 27, 2015. Jessica Rinaldi/Globe Staff Topic: Redsox-Orioles Reporter:

Don Orsillo deeply moved by fans? tribute at Fenway Park

He received a standing ovation at the final home game of his NESN career, and said it was something he would take ?with me to my grave.?

Joshua Washburn (right), a 36- year-old native of Springfield, went to Syria on his own earlier this year to fight with a militia against the Islamic State.

In fighting ISIS, Springfield man finds his cause

Joshua Washburn was a lost child and troubled man. Now, saved by faith and family, he is risking it all in Syria.

ideas

The beginning of the end? The race for a Parkinson?s cure

The medical community still doesn?t know what causes the disease ? let alone how to save my father.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/15/BostonGlobe.com/Travel/Images/Okemo_1114A.jpg Fall foliage trips your kids will love (Really!)

Forget the slow-going, scenic byways clogged with leaf peepers. Instead, consider these fun activities where spectacular scenery is only part of the equation.

ty burr

A proper tirade about grammar

What this country needs is a constitutional amendment mandating a grammar app for all online writing.

Opinion & Ideas

JOAN VENNOCHI

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/25/BostonGlobe.com/EditorialOpinion/Images/vennochi-1363.png Moving the goal posts on homelessness

The homeless crisis is intensifying in Massachusetts. Denying families access to shelter won?t change it.

Ground Game

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/24/BostonGlobe.com/Metro/Images/25LedeArt2.jpg Next challenge for Sanders is building on his support

Bernie Sanders draws large crowds in New Hampshire. Now he needs to turn that enthusiasm into a developed political operation.

The Big Picture

Craig Ruttle/AFP/Getty Images

Pope Francis? mission to the US

The world leader of the Roman Catholic Church has already visited the White House and addressed a joint session of Congress.

BetaBoston

BetaBoston | Hiawatha Bray

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/25/BostonGlobe.com/Business/Images/fd77fd0f42a14bc29041a91fcce6dc84-fd77fd0f42a14bc29041a91fcce6dc84-0.jpg First impressions of the iPhone 6s

The new iPhone is here, and so were the crowds lined up outside the smartphone stores on Boylston Street.

Crux

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/09/23/BostonGlobe.com/Foreign/Images/Quiz-Know-Pope.jpg The pope?s in the US. How well do you know him?

With Pope Francis visiting the United States, we challenge you to show us how well you know him.