A single frame Rosetta navigation camera image of Comet 67P/Churyumov-Gerasimenko. ESA/Rosetta/NAVCAM

Comet 67P Found to Be Producing Its Own Oxygen in Deep Space

The finding shows that oxygen can be generated in space without the need for life, and could influence how researchers search for signs of life on exoplanets.

May 10, 2017
8:58 AM EDT