The Factbook, a version of which dates to 1962, provided facts, figures, maps and more to generations of economists, ...
Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature.
The Trump administration finalized a new policy on Thursday giving the president the power to fire or discipline as many as 50,000 career federal employees, the latest step in the president’s efforts ...
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A half-century of U.S.-Russian arms control ends with the expiration of the New START nuclear pact
Arms control experts say the termination of the New START Treaty could set the stage for an unconstrained nuclear arms race.
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