Yes, and it is water ice too. So now they have plenty to be playing with (as if we didn't know already).
direct link to Daily Mail article, 'cos I dont like Google.
https://www.google.com/amp/s/www.dailymail.co.uk/sciencetech/article-6517739/amp/Stunning-images-reveal-gigantic-ice-filled-crater-50-miles-wide-surface-Mars.html
The whole universe is to the observable universe, as the observable universe is to an atom. - Alan Guth