Christopher Smith lifts a 40-pound sandbag during the new Combat Field Test at Joint Base Myer-Henderson Hall, Virginia. (Sgt ...
Millions of people around the world will pause, at least for a moment, to mark Earth Day. The annual event is Wednesday.
The 1793 declaration that the United States would remain neutral in the war between Britain and France divided the country ...
Do you know Earth's highest peak, deepest point, and more? Test your knowledge about our planet in this quiz.
Do you know which items can and can't be recycled? Make our world greener this Earth Day by identifying which items are ...
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