On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye?David De Roo Silver Spring, Maryland Mars' moons are easily visible at night from the surface of the Red Planet.
The length of a night on Mars isn’t too different from here on Earth, lasting just over 12 hours on average. Thanks to its similar axial tilt, it also experiences longer nights in winter and shorter ...
The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.
Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express mission just released a stunning orbital image showing surprising changes ...