The Sputnik 8K71PS rocket streaks across the sky over Montreal on its way to deliver Sputnik 1 into orbit. Scientists from the California Institute of Technology track Sputnik 1 from a mobile van.

Add Yahoo as a preferred source to see more of our stories on Google. On November 3, 1957, a Soviet space dog named Laika became the first animal to orbit Earth. Laika was a 3-year-old stray ...

One of the most important satellite launches of all time was that of Sputnik. When the Soviet satellite became the first man-made satellite to orbit Earth on October 4, 1957, space must have seemed ...

Today marks an amazing anniversary. It was 50 years ago on October 4th, the first unmanned satellite was launched into outer space. Sputnik was about the size of a microwave oven, but it caused fear ...

""The National Defense Education Act broke a logjam of opposition to federal aid to elementary and secondary education in 1958. Many believe that the launch of the Soviet's Sputnik satellite enabled ...

On November 3, 1957, a Soviet space dog named Laika became the first animal to orbit Earth. Laika was a 3-year-old stray husky-spitz mix from the streets of Moscow, and she was recruited by the Soviet ...