In Search For Water On Mars Via Clues From Antarctica

Long Term Ecological Research Network site in Taylor Valley , one of the McMurdo Dry Valleys in Antarctica . Photo by Earle M. Holland, courtesy of Ohio State University.

by Staff Writers
Columbus OH (SPX) Dec 24, 2007
Scientists have gathered more evidence that suggests flowing water on Mars -- by comparing images of the red planet to an otherworldly landscape on Earth.

Dear teachers,

My question is: Could we replace the phrase 'in search for' in the headline with 'in search of'? What's the difference between the phrases of 'in search of, in search for, in a search for, in the search for'?

Thank you very much.