A NASA-backed study by researchers from US’ Johns Hopkins University has found the presence of oxygen in a planet’s atmosphere is not necessarily an indicator of life. They simulated atmospheres of exoplanets and successfully created organic compounds and oxygen, absent of life. “Even the co-presence of commonly accepted biosignatures could be a false positive for life,” researcher Chao He said.

This short was originally published on Inshorts, based on an article in Times Now.