The doomed Martian moon Phobos, which is on a slow death spiral above the Red Planet, may hold some secrets about how Mars was formed. The moon's orbit of Mars — gradually degrading over the eons — ...

The Martian moon Phobos orbits through a stream of charged atoms and molecules that flow off the Red Planet’s atmosphere, new research shows. Many of these charged particles, or ions, of oxygen, ...

Understanding the process could help reveal the moon's strange origins. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The eccentric orbit of ...

The weird linear grooves scoring the surface of the Mars moon Phobos were likely carved by boulders knocked loose by a giant impact, a new study suggests. That impact created Phobos' most notable ...

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 ...

(CNN) — Mars has long been a point of fascination for scientists as they try to uncover the planet’s past and determine if it ever supported life. It turns out that Phobos, one of the Martian moons, ...

The irregular shapes and orbits of Mars’s two small moons, Phobos and Deimos, have long been a subject of scientific ...

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 ...

Some of the mysterious grooves on the surface of Mars’ moon Phobos are the result of debris ejected by impacts eventually falling back onto the surface to form linear chains of craters, according to a ...

Mars has long been a point of fascination for scientists as they try to uncover the planet’s past and determine if it ever supported life. It turns out that Phobos, one of the Martian moons, may hold ...