Vanguard-1 is the second U.S. satellite launched to space. Conceived by the Naval Research Laboratory in 1955, it was ...

An emotional rescue for America came via the first U.S. artificial satellite. Explorer 1 was boosted into space by the Army on Jan. 31, 1958. Nevertheless, despite setbacks, Vanguard 1 did reach ...

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 ...

Vanguard 1 is less than the size of a basketball and even led Soviet leader Nikita Khrushchev to call it as “the grapefruit satellite.” As it was powered by six matchbox-sized solar panels ...