On Friday, he had a sudden respiratory episode, which required him to receive an oxygen mask. His current hospitalization is his fourth - and now longest - stay since he became pope in 2013.

ROME (AP) — Pope Francis was in critical condition Saturday after he suffered a long asthmatic respiratory crisis that required high flows of oxygen, the Vatican said. The 88-year-old Francis ...

The Indian space agency has announced its decision to transfer the technology to make portable medical oxygen concentrators developed by the Vikram Sarabhai Space Centre (VSSC). The device ...