A piece of space junk called Cosmos 482 is unlikely to pose a threat to people or property. But space experts say it highlights the need to stay vigilant.

The Soviet space program had a lot of hope riding on the Cosmos 482 mission when it launched in March 1972. The mission included a lander destined for Venus. The spacecraft never made it out of Earth orbit -- and now it's coming home,

A spacecraft launched by the Soviet Union in 1972 is due to come crashing back into Earth's atmosphere around May 10 and nobody knows where it will land.