"Dust devils themselves are difficult to capture in images because they are so short-lived," Ingrid Daubar, a planetary scientist at Brown University and lead author of the study, told Space.com by email. "The tracks they leave behind last longer, so we are able to observe them more thoroughly."

Researchers examining Noachis Terra in Mars’ southern highlands found evidence of extensive river networks – some hundreds of kilometers long.

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it may have been on an inevitable path to being a dead world despite being so similar to Earth.