ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

In a remarkable moment during its journey toward Jupiter, NASA’s Europa Clipper spacecraft managed to capture a stunning image of Mars and its two moons, Phobos and Deimos, in one frame. This rare ...

At 11 A.M. EDT, the Moon will pass 4° south of Mars in the constellation Virgo. Shortly after sunset, the Moon, Mars, and Spica (Virgo's brightest star) will be briefly visible low on the western ...