Solving a Martian Mystery: Mars Express Unlocks the Secrets of Strange Recurring Cloud
When spring arrives in southern Mars, a cloud of water ice emerges near the 20-kilometer-tall Arsia Mons volcano, rapidly stretching out for many hundreds of…
Mars Express
NASA’s Mars 2020 Perseverance Rover Is About to Land on the Red Planet – It Will Have Some Help From These Mars Orbiters
On February 18, 2021, NASA’s Mars 2020 Perseverance rover will land on the Red Planet ESA’s Mars orbiters – the ESA-Roscosmos ExoMars Trace Gas Orbiter…
Creating Chaos: Craters, Cracks, and Collapse on Mars
Elevation can be deceiving in satellite imagery of Mars, even when differences are extreme – as demonstrated by this image of Pyrrhae Regio from ESA’s…
Dreaming of a Red Christmas: Festive Silhouettes Spotted Near Mars’ South Pole
As the holiday season swiftly approaches, even our planetary neighbors are getting into the spirit – as shown by this perfect pair of festive silhouettes…
Intriguing Martian Scars: An Ancient Crater Triplet on Mars
Mars is covered in intriguing scars – some of the most prominent being impact craters. A particularly unusual example is shown in this new image…
Mars Express Spacecraft Has Discovered Liquid Water Ponds Buried Under the Martian Surface
ESA’s Mars Express spacecraft has discovered several ponds of liquid water buried under the ice in the south polar region of Mars. The spacecraft’s radar…
Mysteriously Long, Thin Cloud Returns on Mars – Not Linked to Volcanic Activity
A mysteriously long, thin cloud has again appeared over the 20-km (~12 miles / 65,000 feet) high Arsia Mons volcano on Mars. A recurrent feature,…
View a Stunning Flight Over Korolev Crater on Mars via Mars Express
This movie, based on images taken by ESA’s Mars Express, showcases the 82 km wide Korolev crater on Mars. Located in the northern lowlands of the Red Planet, south…
Moreux Crater: The Dark Dunes of Mars in Stunning Imagery From Mars Express Orbiter
Known for its wide swathes of rippling, textured, gently sloping dunes, the Terra Sabaea region on Mars is home to many fascinating geological features –…
Nilosyrtis Mensae, Mars: Dramatically Different Regions of the Red Planet Come Together as One
Mars is very much a world of two halves, as this new image from ESA’s Mars Express highlights, showing where these dramatically different regions come…
Mars Express Has Captured Beautiful Images of Rippling Ice and Storms at Mars’ North Pole
ESA’s Mars Express has captured beautiful images of the icy cap sitting at Mars’ north pole, complete with bright swathes of ice, dark troughs and…
Mars Express Provides a Window to a Watery Past on Mars
New composite images captured by ESA’s Mars Express offer a window into the watery past of the Red Planet. This 70 km-wide crater and its…
ESA’s Mars Express View Remnants of Mega-Flood on Mars
European Space Agency’s Mars Express has captured images of one of the largest outflow channel networks on Mars. The Kasei Valles channel system extends around…
Mars Express Image of the Rim of the Schiaparelli Crater
This image from ESA’s Mars Express features the small crater embedded in the northwestern rim of the Schiaparelli impact basin. All around is evidence for…
ESA’s Mars Express Sheds New Light on the Red Planet’s Rare Aurora
Using 10 years of data from Mars Express, scientists have for the first time combined remote sensing observations of localized ultraviolet aurora with in situ…
Mars Express Image Shows Chasms and Cliffs on Mars
This Mars Express image shows a region of Mars filled with cliffs, trenches, faults, giant plateaus and volcanoes. Although Mars is a very alien planet,…
Mars Express Captures a Radar View of the Southern Highlands of Mars
Mars Express has provided scientists with a radar view of the southern highlands of Mars, showing what lies beneath the surface. There is much more…
ESA’s Mars Express Captures New Images of Sulci Gordii
ESA’s Mars Express has captured new images of a region on Mars known as Sulci Gordii, which lies about 200 km east of Olympus Mons….