Each cube-shaped spacecraft is less than 1.5 m across. The shadow-casting satellite holds a disk to block the sun from the telescope on the other satellite. This disk will mimic the Moon in a ...

In the intense early days of the space race, a small, unusual satellite was launched into space sixty-seven years ago.

TEMPO.CO, Jakarta - The satellite Vanguard 1, launched on March 17, 1958, became the oldest man-made satellite still orbiting Earth. After 67 years in space, a group of scientists, aerospace engineers ...