ESA said their Mars Express captured the images of the “spiders” and explained that they are actually not creepy crawlies of any kind, but they are caused by carbon dioxide deposits.

Images taken by ESA's Mars Express orbiter and ExoMars Trace Gas Orbiter show dark clusters of dots that appear to have teeny little legs, not unlike baby spiderlings huddling together.

Now, a new set of images from ESA’s Mars Express satellite offers a look at what was once a very wet area of the Red Planet. The photos show a landscape that, aside from the obvious impact ...

We take from La Nature the annexed engraving of the planet Mars and its second satellite, as the same appeared through the great telescope at the observatory of Paris, at 10:15 P.M., on August 37 ...

By combining data from Mars satellites with advanced computer models ... Atoms (ASPERA-3), onboard the ESA spacecraft Mars Express and NASA's spacecraft MAVEN, both of which orbit around Mars.