On October 4, 1957, the USSR launched Sputnik I, the first artificial satellite in history, into orbit. That program would ...

The U.S. has established the Ground-Based Midcourse Defense system to defend the homeland against North Korean ICBM attacks.

The death toll from the explosion rose to 70, as officials said the massive blast involved a shipment whose documentation obscured the nature of the substances it carried.

Dmitry Medvedev, who has styled himself as one of Russia 's most outspoken anti-Western hawks, said if conflict were to arise ...