Karl Gebhardt and Gary Hill, two astronomers from the University of Texas at Austin, are racing to solve one of the greatest mysteries in science: What is dark energy? How does it work? Can it explain the origins of the universe? There’s only one problem. Dark energy may not actually exist.
April 1, 2008 | by Karen Olsson | Feature
The lovesick antics of diapered astronaut Lisa Nowak are some combination of funny and sad but seemingly not revealing of anything larger, until you realize that her tragic, tabloidy breakdown says everything you need to know about NASA’s many troubles.
May 1, 2007 | by S. C. Gwynne | Feature