ESA Science & Technology - News Archive
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The UK-led Beagle-2 Mars lander, which hitched a ride on ESA's Mars Express mission and was lost on Mars since 2003, has been found in images taken by a NASA orbiter at the Red Planet.
Published: 16 January 2015
Late this month, ESA's Mars Express will make the closest flyby yet of the Red Planet’s largest moon Phobos, skimming past at only 45 km above its surface.
Published: 23 December 2013
For the past decade, ESA's Mars Express orbiter has been observing atmospheric structure on the Red Planet. Among its discoveries is the presence of three separate ozone layers, each with its own characteristics. A new comparison of spacecraft data with computer models explains how global atmospheric circulation creates a layer of ozone above...
Published: 29 September 2013
New global maps of Mars released on the 10th anniversary of the launch of ESA's Mars Express trace the history of water and volcanic activity on the Red Planet, and identify sites of special interest for the next generation of Mars explorers.
Published: 3 June 2013
High above the main body of Mars' atmosphere is a region of weakly ionised gas, known as the ionosphere. New studies, based on observations from Mars Express, show that the dayside ionosphere is more variable and more complex than previously thought.
Published: 15 November 2012
Despite more than a century of observations, the orbit of the Martian moon Deimos is still not known to a high degree of accuracy, but a new study using images taken by ESA's Mars Express orbiter has provided the best orbital model to date.
Published: 24 September 2012
Scientists have probed the Sun's corona via the disturbances it causes to radio transmissions from Mars Express, Venus Express and Rosetta. This technique has allowed the detection of coronal mass ejections and revealed the morphology of these colossal solar eruptions in great detail.
Published: 24 July 2012
A new study of the ancient, cratered highlands of Mars has detected numerous exposures of minerals that were altered by underground water during the planet's early history.
Published: 27 June 2012
The first targeted, high resolution measurements of Martian gravity have enabled scientists to probe deep beneath the surface of Mars and provide new insights into the formation of the planet's massive volcanoes.
Published: 26 April 2012
A faint, infrared glow above the winter poles of Mars is giving new insights into seasonal changes in the planet's atmospheric circulation. The tell-tale night emission was detected with the Mars Express OMEGA imaging spectrometer.
Published: 23 March 2012
Following an anomaly affecting its on-board mass memory, a work-around that changes the way commands are stored and executed by the spacecraft is complete, allowing resumption of full science operations.
Published: 15 February 2012
The MARSIS radar instrument on board ESA's Mars Express orbiter has discovered a subsurface blanket of low density material around the north polar cap.
Published: 6 February 2012
The Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) has recently completed a subsurface sounding campaign over the planet's North Pole.
Published: 14 December 2011
Operational anomalies in the memory system on board Mars Express have caused science observations to be temporarily halted. Both a work-around to enable the resumption of a number of observations and a long-term solution are being investigated.
Published: 31 October 2011
New analysis of data sent back by the SPICAM spectrometer on board ESA's Mars Express spacecraft has revealed for the first time that the planet's atmosphere is supersaturated with water vapour.
Published: 29 September 2011
Detailed studies of hydrated minerals found inside impact craters show that liquid water was widespread not only in the southern highlands, but also beneath the planet's northern plains, confirming that conditions favourable to life once existed all over Mars.
Published: 24 June 2010
Images from the recent flyby of Phobos, on 7 March 2010, show Mars' rocky moon in exquisite detail, with a resolution of just 4.4 metres per pixel.
Published: 15 March 2010
On 3 March 2010 Mars Express will make its closest ever approach to Phobos. The close approach provides a first opportunity to perform a unique gravity experiment that may reveal the distribution of mass within this intriguing moon.
Published: 24 February 2010
New measurements of ozone in the atmosphere of Mars are being obtained in a coordinated observation campaign with Mars Express and a Hawaiian-based telescope
Published: 16 February 2010
The MARSIS radar sounder instrument on board Mars Express, designed to study the ionosphere, surface and sub-surface of Mars, can unexpectedly also double as a magnetometer
Published: 22 September 2009
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