The European Space Agency Cuts Ties to Russia On Its ExoMars Mission. But U.S-Russian Cooperation Continues on the ISS

The European Space Agency has decided that is currently impossible to continue any ongoing cooperation with the Russian space agency Roscosmos, and is moving forward with a "fast-track industrial study" to define how the mission can proceed without the Russians on its ambitious ExoMars astrobiology mission. In a release, ESA said that "as an intergovernmental …

A Huge Watery Reservoir May Lie Beneath the Surface of The “Grand Canyon” of Mars

That early Mars was much wetter and warmer than it is today has been well established by numerous missions.  Water ice is visible at the poles and many fossil rivers have been found in the southern highlands of Mars.  The Curiosity rover found as well that the large crater where it landed -- Gale Crater …