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

The moon, , looks a lot like an asteroid: It's lumpy, potato-shaped and very small. It has an average radius of just 11 6.8 miles. Subscribe to read this story ad-free Get unlimited access to ad-free ...

NASA recently announced that its Mars Odyssey orbiter took a tasty snapshot of the Martian moon Phobos using its infrared camera. Since 2001, Odyssey has been dutifully orbiting the Red Planet. Billed ...

During a mission to study Mars’ moon Phobos, a spacecraft began malfunctioning just as it approached its target. Before ...

Scientists now have firm indications that the martian satellite Phobos formed relatively near its current location via re-accretion of material blasted into Mars’ orbit by some catastrophic event. Two ...

NASA’s Hubble Space Telescope does more than just observe the distant cosmos; it also peeks at the nearby objects in our solar system. In a photo shoot involving Mars, Hubble Space Telescope grabbed ...

Stretch marks across the surface of Phobos could indicate the Mars moon is crumbling away. The shallow grooves that run across Phobos have baffled scientists for years, and on Tuesday researchers with ...

Add Yahoo as a preferred source to see more of our stories on Google. On March 27, 1989, the Soviet Union's Phobos 2 mission to Mars' moons ended in failure. [‘On This Day in Space’ Video Series on ...

Scientists have long debated the cause of the distinctive grooves on the surface of Mars' moon Phobos. One leading theory has it that the lines are signs of structural failure as the tiny body is ...

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 strategies.