Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...
There's both history and purpose behind the little "m" printed on ever single M&M's candy. Find out what that iconic stamp ...
On Sunday (Jan. 12), the Red Planet will make its close approach of Earth at 8:32 a.m. EST (13:32 GMT). This event, known as ...