Just a month after propelling the first satellite into space, the Soviet Union had made headlines again with Sputnik 2, which sent the first animal, a dog, into orbit. With two failed launch ...

Once in orbit, Sputnik 1 maintained an orbital speed of approximately eight km/s and completed one orbit every 96.2 minutes.

Vanguard 1 was the fourth satellite ever launched into space (following Sputniks 1 and 2 and Explorer 1). It looks a lot like a miniature version of Sputnik. Vanguard 1 was tiny compared to the ...

Galbreath argues that a Sputnik-scale wake-up call has already happened — several times. “China blew up a satellite in 2007. Russia did the same in 2021. Both created massive debris clouds.

But half a century ago, the town was on the receiving end of a 20-pound smoldering hunk of the Soviet Union’s five-ton Sputnik IV satellite. Media reports from the September 6, 1962 event say ...

When the Soviets launched the Sputnik satellite in 1957 ... replaced some personal—and even romantic—relationships. (1,2) Many remain skeptical of the close bonds humans can forge with ...