Biggest news you missed this weekend

Pope Francis concludes his U.S. tour

Pope Francis celebrated Mass with hundreds of thousands in the streets of Philadelphia on Sunday, closing his historic six-day visit to the U.S. that also took him to New York and Washington, D.C. During the last leg of his visit, Francis commented on the church's sex abuse scandals, revealing that he had met privately with five adults who experienced sexual abuse by clergy, family members or teachers when they were minors, and pronouncing that clergy responsible for sex abuse would be "held accountable" for their actions.

Lunar eclipse also features 'Supermoon'

Time to dust off your telescope. It hasn't happened in 33 years, and won't for another 18 years: Sunday evening, a total lunar eclipse coincides with a "Supermoon." A lunar eclipse occurs when the Earth is between the full moon and the sun. The Earth's shadow covers the moon, which often has a red color, hence the "blood" moon nickname. It's not all fun and science, though: Mormon author Julie Rowe is facing heat for linking the rare astrological event to an apocalypse.

DEA agents kept jobs despite serious misconduct

The U.S. Drug Enforcement Administration has allowed its employees to stay on the job despite internal investigations that found they had distributed drugs, lied to the authorities or committed other serious misconduct, newly disclosed records show. An example — agents who left a handcuffed college student in a holding cell for five days with no food or water received brief suspensions or letters or reprimand.

Donald Trump and Ben Carson are tied

Oh, the change a week in the polls can make. Republican presidential candidates Donald Trump and Ben carson are in a virtual tie in the polls, according to an NBC News/Wall Street Journal poll released Sunday. Trump is at 21% and Carson is at 20%, a difference well within the poll's margin of error.

Mark Zuckerberg and Indian Prime Minister Narendra Modi talk tech

Prime Minister Narendra Modi and Facebook founder and chief executive Mark Zuckerberg spoke Sunday at Facebook headquarters in Menlo Park, Calif., about "Digital India" initiatives which call for more high-speed Internet access and tech jobs to raise the standard of living in a country where so many still live in poverty. The nation is seeking to play a more critical part in the global tech industry.