http://www.newsweek.com/mars-dust-storm-opportunity-nasa-1010903

NASA still hasn't heard from the rover caught in a massive planet-encircling dust storm on Mars that started on May 30, Space.com reports.

The Opportunity rover last made contact with the space agency on June 10, more than a week before the storm grew to cover the whole planet. Engineers think it has probably entered a low-power mode to conserve energy.