April 26, 2025 - PBS News Weekend full episode

Saturday’s funeral and burial of Pope Francis mark the beginning of nine days of official mourning at the Vatican, with cardinals leading masses each day. The words of their homilies will be closely examined and analyzed for clues about what’s on their minds as they prepare to elect a new pope. John Yang speaks with John Allen, editor of Crux, for more.

Pope Francis was laid to rest Saturday after a solemn Requiem Mass outside Saint Peter’s Basilica. On the same day, President Donald Trump and Ukrainian President Volodymr Zelenskyy met at the Vatican to discuss hopes for lasting peace. Special correspondent Malcolm Brabant reports from Rome.

In our news wrap Saturday, there was a deadly explosion at a Persian Gulf port in southern Iran, India said Pakistani soldiers shot at Indian posts for a second straight night in the disputed Kashmir region, a federal judge wants the Trump administration to explain why a 2-year-old U.S. citizen was deported, and Virginia Giuffre, a key figure in the Jeffrey Epstein sex trafficking case, has died.

Earlier in April, doctors at the National Institutes of Health made a promising step in the fight against cancer, announcing an immunotherapy treatment was able to shrink gastrointestinal tumors for about a quarter of patients. But NIH staffing shortages, layoffs and cuts are threatening to delay the rollout of this promising development. William Brangham speaks with Dr. Steven Rosenberg for more.

Coral reefs are a crucial part of the marine ecosystem, providing habitats for all sorts of marine life and protecting coastlines from storm damage. But scientists say rising ocean temperatures are posing a grave threat to the future of the world’s reefs. Ali Rogin reports.