Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

(CNN) — Scientists have discovered the largest organic molecule containing sulfur — a key ingredient for life — ever identified in interstellar space. The researchers call the discovery a “missing ...

The complex precursors to biological molecules can form spontaneously in interstellar space, according to a lab experiment that opens up new pathways for the origin of life in the universe. In the ...