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 ...

A new study bolsters the idea that strange grooves crisscrossing the surface of the Martian moon Phobos were made by rolling boulders blasted free from an ancient asteroid impact. The research, ...

A new study has revealed that the weird parallel grooves on the surface of Mars' largest moon Phobos could be a sign that the Red Planet's gravity is ripping the satellite apart. When you purchase ...

The moon Phobos has a mysterious origin but a certain expiration date. Phobos, one of Mars' moons, has an uncertain origin, but its surface grooves show that tidal forces are pulling it apart. In time ...

(via SciShow Space) Mars’s moon, Phobos, is striped with grooves all across its surface. But if one theory about where they came from is true, does that mean this moon might be on its way out?

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...