https://www.theregister.co.uk/2018/06/11/opportunity_mars_dust_storm/

As NASA's Opportunity rover nears its 15th birthday, engineers are worried the plucky little robot may not survive a worsening Martian dust storm.

The Mars Reconnaissance Orbiter (MRO) spotted the approaching storm on 1 June, giving the Opportunity team notice to kick off their contingency plans. The storm now covers more than 18 million square kilometres and has since reached the aptly named Perseverance Valley through which the elderly rover has been trundling.