A witness to a wet early Mars 19 November 2015
A witness to a wet early Mars 19 November 2015 Vast volumes of water once flooded through this deep chasm on Mars that connects the ‘Grand Canyon’ of the Solar System – Valles Marineris – to the planet’s northern lowlands.
Shining a light on the aurora of Mars05 November 2015
Shining a light on the aurora of Mars05 November 2015 ESA’s Mars Express has shed new light on the Red Planet’s rare ultraviolet aurora by combining for the first time remote observations with in situ measurements of electrons hitting the atmosphere.
Flash floods in Mangala Valles15 October 2015
Flash floods in Mangala Valles15 October 2015 Catastrophic flooding triggered by ice melting from the heat of volcanic activity is thought to be responsible for the chaotic scenery depicted in this region of the Mangala Valles channel network.
Sweeping over the south pole of Mars10 September 2015
Sweeping over the south pole of Mars10 September 2015 An unusual observation by Mars Express shows a sweeping view over the planet’s south polar ice cap and across its ancient, cratered highlands.
Cutting through martian history09 July 2015
Cutting through martian history09 July 2015 This colourful image resembles an abstract watercolour, but it is in fact a colour-coded topographic map of one of the most geologically diverse regions on Mars.
Impact crater or supervolcano caldera?21 May 2015
Impact crater or supervolcano caldera?21 May 2015 At first glance, the region covered by this latest Mars Express image release appears to be pockmarked with impact craters. But the largest structure among them may hold a rather explosive secret: it could be remains of an ancient supervolcano.