In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

But they weren't only interested in astronomy. The extraction of iron ... was developed as part of the Age of Enlightenment. The 19th century saw some of the great names of science: people ...

Timothy Ferris, in the film Seeing in the Dark The stars seem to change little if at all—night after night, century after century ... one of the great tasks of astronomy during the last ...

Venus lies bright but low, while Jupiter and Mars dominate. South America and the eastern Pacific Ocean get the best views of ...

The first half of the 19th century was a time of great change. Industrialization brought new opportunities for employment, changing ideas of work, and economic cycles of boom and bust. During this ...

“Vision,” is based on 19th century railroads, the backbone of the industrial revolution and the opening of widescale travel in Europe. Louis Vuitton says the hero necklace interprets railroad ...