Over the next two weeks, cardinals from across the globe will descend on Vatican City and the process will begin to choose a new pope. The 135 cardinals under the age of 80 are eligible to vote. The cardinals will be shut off from the outside world. NBC News' Molly Hunter has more from Rome. President Trump called Federal Reserve chairman Jerome Powell a "major loser" on social media and pressed him to lower interest rates, raising concerns about the central bank's independence. NBC's Christine Romans reports. At Orlando International Airport, a Delta plane at full capacity was evacuated. Officials say an engine caught fire after the aircraft pushed back from the gate for departure. Passengers evacuated down emergency slides. There were no reports of injuries. NBC News' Tom Costello has the story. Two sources tell NBC News Defense Secretary Pete Hegseth shared information about a strike in Yemen on a Signal group chat that included his wife and brother. NBC News' Kelly O'Donnell reports it comes after several Trump administration officials came under fire for their use of a different Signal group chat to discuss military operations. The Vatican announced the death of Pope Francis, who died at the age of 88 just one day after the leader of the Catholic church made a surprise Easter appearance. NBC News' Lester Holt reports on the historic life and impact Pope Francis had on the church and the world. Harvard University has sued the Trump administration, saying its move to freeze federal funding for the school is unconstitutional. NBC News' Gabe Gutierrez reports President Trump is also criticizing the courts for pausing some of his deportation plans. During his papacy, Pope Francis championed the needs of children around the world with humility and sincerity. NBC News' Tom Llamas takes a look at the legacy of Pope Francis and some moments that captured the world's heart. 

Crews in New Jersey are working to contain a massive wildfire that has burned more than 12,500 acres, caused thousands of power outages and sent huge plumes of smoke into the sky. NBC News' Sam Brock reports. People waited for hours for the chance to enter St. Peter's Basilica and pay their respects to Pope Francis. NBC News' Tom Llamas reports his casket was moved there earlier in the day, in a solemn procession led by some of the cardinals who will choose his successor. NBC Nightly News' Lester Holt spoke exclusively with Harvard President Alan Garber. Police in New Jersey are urgently searching for 23-year old Lauren Blackburn, a Princeton University student who went missing last weekend. NBC News' Ellison Barber reports. The interview was Garber's first since Harvard sued the Trump administration over frozen federal research funding. Garber took a lead role among educators in pushing back on the administration's efforts to bring sweeping change to top U.S. universities. Beginning May 7, airline passengers must show a Real ID to board domestic flights. The rollout has repeatedly been pushed back, and an NBC News analysis shows many states are less than 50 percent compliant. NBC News' Tom Costello reports. Pope Francis had a sweet tooth, and when he was looking for a custom dessert, he turned to the gelateria Hedera, steps from the Vatican. NBC News' Tom Llamas visited the shop for a taste test.