Russia's Phobos-Grunt spacecraft sits atop its Zenit rocket just minutes before blasting off on Nov. 8, 2011. Phobos-Grunt Rocket Raised for Launch Federal Space Agency (Roscosmos) ...

The European Space Agency announced that it will halt trying to contact the beleaguered Russian Phobos-Grunt spacecraft. Phobos-Grunt has been stuck in the low-Earth orbit since it was launched on ...

Phobos --- the enigmatic, oddly-shaped Martian moon --- could serve as an eventual pit stop for human missions to the Red Planet. That’s, of course, contingent on future Mars exploration ...

Phobos is such a close companion of Mars, about 60 times closer than the moon orbiting Earth, that it has crossed with MAVEN’s path multiple times a day during the orbiter’s mission.

Efforts to reach the Martian moon Phobos have long been outshined by missions to the red planet itself. Now, scientists in Russia, Canada and the U.S. are preparing their own missions to the ...

Artist’s concept of Japan’s Mars Moons eXploration (MMX) spacecraft, carrying a NASA instrument to ...More study the Martian moons Phobos and Deimos. The mission should contain a sample return ...

Russia’s troubled Phobos-Grunt spacecraft, which is stuck in low-Earth orbit due to an engine failure rather than on its way to Mars, appears to be doomed, with small pieces of the wayward probe ...

A mysterious moon, a vanished Soviet spacecraft, and monolith-like objects standing alone in the Martian dust—what’s really ...

If Russia's Phobos-Grunt Mars moon sampling mission fails to reach Mars, it's worth launching a copy of the spacecraft on a second try, one of the science team members says.

A Japan Aerospace Exploration Agency mission to visit Mars' moons Phobos and Deimos (the 13th best moon) officially got the green light from the Japanese government.

ESA's Mars Express spacecraft has captured a rare movie of the Martian moon Phobos. The moon is set to be the target of an international mission to survey the Red Planet’s two natural satellites ...

Previously unpublished photos of Mars' moon Phobos hint that the mysterious satellite may actually be a trapped comet — or perhaps just a piece of one, along with its twin moon Deimos.