David G. Schleicher of the Lowell Observatory in Arizona has been watching a comet called 96P/Machholz 1, and he thinks he's on to something. Its chemistry is odd. It has only about one percent as... [continue]

In the No. 1 New York Times bestseller “The 4-Hour Workweek,” author Timothy Ferriss advocates reducing the time we spend on BlackBerries and e-mail because those technologies can impede us from... [continue]

This is one of those cases in which a picture is worth a thousand words -- or perhaps 186, which is what I've written below. The picture is of Omega Centauri, a globular cluster (or perhaps dwarf... [continue]