Mars continues to fascinate us with its mysteries, and the European Space Agency's (ESA) ExoMars Trace Gas Orbiter (TGO) is bringing us some amazing new views of the planet. By orbiting about 400 ...

ESA's ExoMars Trace Gas Orbiter has also captured visual evidence of the spidering effect, as have NASA spacecrafts. Here's ...

And this Trace Gas Orbiter, as it's called, is capable of seeing methane at fantastically low levels. Even when the concentration is only a few tens of molecules in every trillion molecules of ...

The joint European-Russian Trace Gas Orbiter (TGO) then passed overhead in March to capture the scene. Visible in the TGO CaSSIS camera image are the lander and the elements that got it safely to ...