For two days in the December the solar wind suddenly stop on Mars and its atmosphere on the sun-facing side swelled "by nearly four times its usual size — from its usual 497 miles (800 km) to over ...
They may resemble kidney beans, but formations on the northern hemisphere of Mars are actually sand dunes covered in carbon ...
In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...