Contrary to its name, Voyager 2 was the first of the vehicles launched into space first in Aug. 20 1977 from Florida. Its twin probe, Voyager 1, launched two weeks later on Sept. 5. At more than 15 ...

In a series of upcoming technology demonstration missions, NASA is hoping to prove that giant solar sails are a practical way to explore the cosmos, even though warp drive engines and rocket powered ...