Mars’s moon Phobos, once thought to face a slow and steady demise due totidal forces, could actually break apart much sooner and in a far more dramatic way. New research suggests that its destruction ...

A crater nine kilometers across sits on the surface of a moon barely twenty-two kilometers wide, and inside that scar planetary scientists suspect a clump of unusually dense rock is hiding. Locating ...

A massive crater on Mars’ moon Phobos may hide a dense region of compressed material that could reveal whether the moon is a captured asteroid or debris from an ancient impact on Mars. Japan’s ...

The eccentric orbit of the Martian moon Phobos could drive the flow of powder across the moon's surface, a new study finds, shedding light on Phobos' mysterious origins. Dark gray, potato-shaped ...

For the very first time, the Martian moons Phobos and Deimos have been caught on camera together. ESA’s Mars Express orbiter took these pioneering images last month. Apart from their ‘wow’ factor, ...

Add Yahoo as a preferred source to see more of our stories on Google. On January 29, 1989, a Soviet space probe named Phobos 2 arrived in orbit around Mars. This was the last space mission launched by ...

We can’t look at directly at solar eclipses without going blind. That’s why some nerds (like me) carry eclipse glasses in their cars; eclipse glasses block all the harmful sunlight while allowing you ...

On 26 January, Mars Express completed its 7777th orbit around the Red Planet, an auspicious milestone as the satellite is readied for the closest-ever flyby of Phobos, scheduled for just a few weeks ...

For a long time after their discovery in 1877, scientists assumed Mars’ two puny moons — Deimos and Phobos — were captured asteroids. This belief persisted until evidence revealed both moons formed at ...

2034 Earth–Venus–Mars opportunity looks promising. 10–15 on-orbit refueling operations may be needed to make a crewed ship full. (A version 4 Starship could refuel with five tanker launches. Most ...