Happy 58th anniversary, Sputnik!

The Soviet Union's October 1957 launch of the world's first artificial satellite, Sputnik 1, stunned the U.S., which reckoned it had a commanding lead in "the Space Race." Some of the clever software ...

Discover Earth’s first artificial satellite. Learn how it was launched, why it shocked the world, and how it triggered the Space Age and the US–Soviet Space Race.

In case you've faced some hurdles solving the clue, Period that began with the launch of Sputnik 1, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, ...