which the Romans called Mars. The names Phobos and Deimos mean "fear" and "panic." The innermost moon, Phobos, has lots of craters and is roughly 13.8 miles (22.2 km) in diameter. In about 50 ...

New data obtained by the Tianwen-1 mission has laid the foundation for the development of a high-resolution global ...

Launched 20 years ago on April 7, the orbiter, which takes its name from Arthur C ... For many years, the most complete global maps of Mars were made using Odyssey's infrared camera, called ...