Mars' moon Phobos may actually be a comet — or at least part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...

An incredible photo shows Earth photobombing Mars' moon Phobos. It is the first time ever the two have been captured together from the surface of Mars. NASA's Curiosity Mars rover used its Mast ...

and they’re evening planning on snatching a sample from the Martian moon Phobos and sending it back to Earth. As Ars Technica reports, the mission will cost around $417 million and has a ...