Indonesian rescuers retrieved four more bodies as they resumed their search for people missing after floods and landslides on Indonesia’s main island of Java, bringing the death toll to 21.

A group of 12 planetary scientists from across the country examined the Wedington Sandstone formations due to the similar shapes they share with a region of Mars called the Aeolis Dorsa.

The Pinnacle Rock formation also extends far outside the boundary of the park, reaching more than 25 miles across the ...