|Ancient northern ocean on Mars. Credit: ESA|
ESA's Mars Express radar gives strong evidence for former Mars ocean
ESA's Mars Express has returned strong evidence for an ocean once covering part of Mars. Using radar, it has detected sediments reminiscent of an ocean floor within the boundaries of previously identified, ancient shorelines on Mars.
Mars Express reveals wind-blown deposits on Mars
New images from ESA’s Mars Express show the Syrtis Major region on Mars. Once thought to be a sea of water, the region is now known to be a volcanic province dating back billions of years.