‘What oxygen is to the lungs ... ‘We found a distinctly different pathway to produce O2 from molecular CO2,’ Tian said.

Two different teams of astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0. The discovery, ...

“This is significant because it provides new evidence that the origination of early animals, which required O2 ... chemical signatures in ancient rock, scientists were able to estimate the ...