This Lost Map Changed How We Saw the World

In 1815 William Smith drew a map of the United Kingdom which transformed the scientific landscape: It laid the foundations for modern geology, and identified natural resources which would beget the Industrial Revolution. But up until last year, this first-edition copy was considered to be lost forever. » 3/24/15 6:01pm 3/24/15 6:01pm

How soon before we can start mapping the surfaces of distant planets?

To date, astronomers have catalogued over 860 exoplanets. If that wasn't remarkable enough, scientists have also been able to determine the atmospheric composition of many of these planets by analyzing their spectral shifts. But even more incredible would be the ability to actually chart landmasses and oceanic… » 1/31/13 11:20am 1/31/13 11:20am