A new study suggests the movement of masses of tiny marine creatures could have as much impact as the wind or currents on ocean circulation.
The list of cosmic objects that could hit Earth is growing. Scientists study satellite 'tractors' and nuclear weapons as ways to divert asteroids headed our way.
Day laborers in Los Angeles offer impromptu street theater between jobs.
Column: Especially when it comes to outer space, there's a lot to be learned from reexamining old science.
A new layering process renders prototypes that pop.
Column: It's time to set aside political quibbles and form an international plan.
More Ray Charles brilliance on a new CD, an auction for 'Battlestar Galactica' fans, 'Roxanne' out on Blu-ray, and more.
Tiny DNA robots could be the future of assembly lines.