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part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...

Behold! 1st-ever photo of Earth and Mars' moon Phobos captured from Red Planet — When is the next solar eclipse?

NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the ...

NASA released photos and video of a Martian moon passing between the planet and the sun. The occurrence is common on Mars, ...

With each video or photo of a Martian eclipse that a robotic explorer takes, astronomers can better understand the changing orbit of Phobos and how its days are numbered. Phobos completes an orbit ...