If you were to look at a giant picture of space, zoom in on the Milky Way galaxy, and then zoom in again on one of its outer spiral arms, you’d find the solar system. Astronomers believe it ...

On June 14, 1914, the first patent for a liquid-fueled rocket design was granted to Dr. Robert Goddard, an American scientist and rocket pioneer. On June 14, 1914, the first patent for a liquid ...