Russia was once the world leader in space exploration, but its space program has suffered a string of costly and embarrassing mishaps over the past year. NASA says Russia is still a trustworthy ...

WATCH: The first woman in space, Valentina Tereshkova, shouted, “Hey, sky, take off your hat; I’m on my way!” Tereshkova’s flight lasted nearly 71 hours. (Soviet Space Pro ...

The USSR’s ambitious space exploration plans foundered due to the lack of a viable rocket system. We’re almost four decades away from the collapse of the Soviet Union and the end of the Cold War.

In the intense years of the Space Race, the Soviet Union pursued some of the most ambitious rocket programs ever attempted, but two catastrophic explosions would leave lasting scars on its quest for ...

Could the moon landing have been an international program? Roger D. Launius President John F. Kennedy and Chairman Nikita Khrushchev during their meeting in Vienna, Austria. National Archives and ...

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 ...

Space sleuths and their 'scoops' / by Dominic Phelan -- Hidden in plain view / by Brian Haryey -- The satellite trackers / by Sven Grahn -- Cosmonauts who weren't there / by James Oberg -- The view ...