Mars Express
Martian Green Nightglow Seen for the First Time
The ESA's ExoMars mission just observed nightglow in Mars' atmosphere, a phenomenon that also happens on Earth.
Over 100 Million Years Ago, Olympus Mons Had a Massive Landslide
While the surface of Mars looks relatively unchanging now, it wasn’t always so. The tallest mountain in the Solar System…
Missed the Mars Livestream? Here's the Video
When a mission to Mars reaches 20 years of service, that’s definitely reason to celebrate. ESA’s Mars Express celebrated by…
20 Years of Mars Express Images Helped Build This Mosaic of the Red Planet
To mark the 20th anniversary of the Mars Express mission, the ESA has released a stunning color mosaic image of…
New Photos Show Collapsed Chains of Craters on a Martian Volcano
Most everyone is familiar with Olympus Mons, the largest volcano on Mars and also the largest in the Solar System.…
Many Clouds on Mars are Driven by Dust, not Water
One of the benefits of having a cluster of satellites orbiting another planet is that scientists can then analyze that…
Mars Express Watched Deimos Pass in Front of Jupiter and its Moons
That’s no moon … wait … yes, it is, and more! ESA’s Mars Express has captured an unusual and rare…
Underground Liquid Water Detected on Mars? Maybe not
New research from Cornell University shows that radar reading from Mars' South Pole region may not have been caused by…
Want to Live on Mars? Here's Where the Water is
By combining data from the Mars Express and Mars Reconnaissance Orbiter, a team of researchers has produced a map of…
The Deepest Known Canyon in the Solar System, Seen From Space
Solar system worlds beyond Earth have amazing surface features. Thanks to planetary science missions, we see images of canyons, craters,…