Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash ...
The European Space Agency (ESA) has uncovered new evidence of a dark ash blanket slowly spreading across Mars, an occurrence ...
WASHINGTON, April 17 (Reuters) - A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence of the planet's warmer and wetter ancient ...