Two of NASA's giants of cosmic discovery have been named among the best inventions of the past quarter-century – at least, according to Time magazine. The media company recently assembled a list of ...

The Curiosity rover has been exploring Mars for over a decade, searching for signs of past life. The James Webb Space Telescope allows scientists to see deeper into the universe than ever before.

The critical issue -- The technology of grinding crystals in antiquity and the Middle Ages -- The reading stones (lapides ad legendum) -- The first dioptrical vision aids -- Glass techniques in the ...