St. Louis, located just off U.S. 27 in Gratiot County, can claim the rights to the geographic center of the Lower Peninsula. A site about 5 miles north-northwest of Cadillac, in Wexford County, ...

If this structure were to surface in the coming years, the trapped residues inside could release pollutants into the Arctic ...

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...

If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made ...