- Dark volcanic ash has visibly reshaped Martian surface since 1976Â Â Phys.org
- Mars Express captures dark ash covering Mars’s Utopia Planitia  European Space Agency
​Dark volcanic ash has visibly reshaped Martian surface since 1976  Phys.orgMars Express captures dark ash covering Mars’s Utopia Planitia  European Space Agency by Soban News (international And National News)