The United States satellite images displayed are infrared ... POES satellites orbit the earth 14 times each day at an altitude of approximately 520 miles (870 km). As each orbit is made the ...

Most of the world has adopted the metric system as their official system of measurement with one major exception: the United States ... Association relies on a map created by Peter Goodyear ...

The United States satellite images displayed are infrared ... POES satellites orbit the earth 14 times each day at an altitude of approximately 520 miles (870 km). As each orbit is made the ...

In just a few days, a total lunar eclipse will be viewable from the U.S. See where and when you can catch a glimpse.

A new study has revealed the safest and most dangerous states to live in during a nuclear apocalypse, using key survival ...

Newsweek has created a map to show which states have seen the ... and Illinois (89,000—0.7 percent). The United States population is projected to grow more slowly than previously anticipated ...