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part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...

In 2009, astronaut Buzz Aldrin caused a stir when he suggested we should attempt to visit the monolith on Phobos, the largest of Mars's two moons, before heading back to our own. "We should go boldly ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

Deimos, the smaller of the two moons, orbits Mars every 30 hours and is less than 10 miles across. Its larger sibling Phobos bears many scars, including craters and deep grooves running across its ...

DEADLY space radiation and rapid outbreaks of disease are just a few of the official Nasa dangers that visitors to Mars will face. The space agency holds a list of “five hazards of human ...

NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. This composite image, from NASA Galileo and Mars Global Survey orbiters, of Earth ...

From its peculiar reddish colour, to whether life ever existed on Mars, NASA has unlocked several secrets of the red planet over the decades. Check out these 7 stunning NASA images of Mars that reveal ...