Instead, the study authors used the Atacama Large Millimeter-submillimeter Array (ALMA) to look for the presence of stable sulfur and chlorine isotopes in Io's thin, tenuous atmosphere.

and volcanic-plume deposits rich in sulfur and sulfur dioxide. Juno will use an upcoming, more distant flyby of Io on March 3 to look at the hot spot again and search for changes in the landscape.

Astronomers have discovered that sulfur may be a key to helping us narrow down our search for life on other planets. It's not that sulfur is a great indication that a planet is inhabited.

Cartoon depiction of the sulfur cycle in different planetary regimes. In Earth-like case (A), atmospheric SO 2 is scrubbed from the atmosphere by wet deposition. In the Venus-like case with high ...

Three ingredients are needed for life as we know it: liquid water; essential elements like carbon, nitrogen, and sulfur ... Jupiter Io Europa Ganymede Beneath Europa's ocean lies a mantle of ...

Three key ingredients are needed for life as we know it: essential elements like carbon, nitrogen, and sulfur; an energy source, and liquid water. Though Europa is only the size of our own moon ...