The Mars Perseverance rover moments before it touched down on the planet (Nasa/PA)
(Picture: PA Media)Volcanic rocks discovered by Nasa’s Perseverance Mars rover on the floor of the Red Planet’s 3.7-billion-year-old Jezero Crater are offering a tempting clue to how the Martian climate evolved.
It’s part of analysis of the rover’s findings, after it’s spent a year trundling around collecting samples.
