Pope Francis, who is in critical condition with a complex lung infection, offered his thanks for the "many messages of affection" he has received since he was hospitalized earlier this month.

More clinical tests were being performed on the 88-year-old pope, who had part of one lung removed as a young man.

Francis, 88, has been hospitalized since Feb. 14. He is battling a respiratory infection and pneumonia in both lungs.

The Vatican said that Pope Francis was in critical condition following a prolonged asthmatic respiratory crisis while he was ...

In this FOX 5 NY Weekend News Update, we cover Pope Francis remaining hospitalized in critical condition, a new ad campaign ...

While Pope Francis remains hospitalized with respiratory issues, the pontiff returned to social media Sunday to thank the ...

Pope Francis was conscious but still receiving high flows of supplemental oxygen Sunday following a respiratory crisis and ...

Pope Francis was declared in critical condition Saturday and underwent a blood transfusion as his health deteriorated, the ...

Pope Francis spent his tenth day in hospital Sunday as Catholics around the world prayed for his recovery, the day after the ...

Francis' hospital stay is raising questions about what happens if he loses consciousness for a prolonged period, or whether ...