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A chaos found only on Mars

The cracked, uneven, jumbled landscape seen in this image from ESA's Mars Express forms an intriguing type of terrain that cannot be found on Earth: chaotic terrain.

How Venus and Mars can teach us about Earth

One has a thick poisonous atmosphere, one has hardly any atmosphere at all, and one is just right for life to flourish – but it wasn't always that way. The atmospheres of our two neighbours Venus and Mars can teach us a ...

First evidence of planet-wide groundwater system on Mars

Mars Express has revealed the first geological evidence of a system of ancient interconnected lakes that once lay deep beneath the Red Planet's surface, five of which may contain minerals crucial to life.

Mars Express gets festive: A winter wonderland on Mars

This image shows what appears to be a large patch of fresh, untrodden snow – a dream for any lover of the holiday season. However, it's a little too distant for a last-minute winter getaway: this feature, known as Korolev ...

Mars awaits

At just before 9pm Central European Time on 26 November, Mars will receive a new visitor: NASA's InSight lander.

Extended life for ESA's science missions

After a comprehensive review of their scientific merits and technical status, the SPC has decided to extend the operation of the five missions led by ESA's Science Programme: Cluster, Gaia, INTEGRAL, Mars Express, and XMM-Newton. ...

Mars Express keeps an eye on curious cloud

Since 13 September, ESA's Mars Express has been observing the evolution of an elongated cloud formation hovering in the vicinity of the 20 km-high Arsia Mons volcano, close to the planet's equator.

Recent tectonics on Mars

These prominent trenches were formed by faults that pulled the planet's surface apart less than 10 million years ago.

Image: Radar footprints over buried Mars lake

ESA's Mars Express radar team recently made an exciting announcement: data from their instrument points to a pond of liquid water buried about 1.5 km below the icy south polar ice of Mars.

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