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A failed Venus mission fell from the sky over the weekend after aimlessly orbiting Earth for the past 53 years. Various ...
A 50-year-old Russian spacecraft is crashing back down to Earth this month, but nobody knows where it will land.
A network of Cold War-era infrasound sensors can help scientists reconstruct trajectories of falling space objects.
Kosmos 482, a spacecraft designed to land on Venus and marooned in Earth orbit since being launched by the U.S.S.R. in 1972, ...