Dark streaks have been seen on the surface of Mars, and now, new research has introduced a possible cause--boiling water.

Dark streaks have been seen on the surface of Mars, and now, new research has introduced a possible cause--boiling water, reports the Washington Post. 
An international team has determined that the marks could be the result of small particles like dirt and sand being launched away by the bubbles that are produced. 
The boiling on the Red Planet occurs because of the extremely low atmospheric pressure; as Susan Conway, one of the authors, tells Gizmodo: “On the Martian surface...liquid water