If you're one of the many people who have wondered exactly why the planet Mars has a red color — so red, in fact, that it's known as the Red Planet — you're in for some interesting revelations. A ...

If scientists can understand how this mineral was formed in Antarctica, they might be able to trace signs of water on Mars.

Mars, even to the casual observer, bears a striking resemblance to Death Valley in satellite imagery, featuring sand dunes, salt flats, and playas. Like Death Valley, the Martian surface is actively ...

Beijing — China's Foreign Ministry took issue Monday with a revised U.S. government fact sheet that removed a line on American opposition to independence for Taiwan. The United States "gravely ...

PRC is out. China is in. That is among the significant modifications to the U.S. State Department’s online fact sheet on China, which drops the country’s official name, the People’s Republic ...