Six planets in the solar system have at least one moon. Both Earth and Mars are toward the lower end of the lunar count, as our home planet only has one moon, and Mars has two. But not all moons share ...

The irregular shapes and orbits of Mars’s two small moons, Phobos and Deimos, have long been a subject of scientific curiosity. Recent research suggests that these moons may have originated from ...

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 ...

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 ...

The ESA spacecraft Mars Express took this image of Phobos on March 7, 2010. This image has been enhanced for seeing features in the less-illuminated part of the moon. Breaking space news, the latest ...

NASA's Europa Clipper spacecraft is on a journey to Jupiter's moon, Europa, a frozen world believed to harbor a salty ocean beneath its icy crust — and possibly the conditions to support life. Credit: ...