Running out of space

Tommy and his spacedog point up to Spaceship One

With space shuttles in museums, the near-term American plan to return to space relies on other countries or private firms. What are the More »

Driving while blabbing

Driving while blabbing

Texting already banned for truckers, etc. What do research and reality say about the danger of hitting the keys or yakking on the More »

Flying with bats

New study shows how they stay aloft, turn on a dime. Freeze-frame pix of bats flying show unexpectedly complex flight patterns. Meet More »

Simple fix boosts truck mileage.

Trucks create a lot of turbulence at the rear. Can a simple set of plates reduce this turbulence and save 10 percent on an 18-wheeler’s More »

Fuel Cell Advance: Catalyst

Fuel cells could provide cheap, efficient power, but nobody knows where to get the hydrogen. A new catalyst offers one route to More »

Wicked Wingbeat

Fruitfly muscles are triggered when they are lengthened by the opposing muscle, explaining why they can beat their wings 200 times a More »

When Birds Fly

Birds musta gotten a lesson from fighter planes: Bird wings get lift from a leading edge vortex, just like fighter planes. More »

Space Travel: Humans vs. Robots

Bush proposes mission to moon and Mars, but how great are the scientific payoffs of this expensive, risky adventure? Would it be More »

Shipwreck Mystery on Lake Superior

The Edmund Fitzgerald went down in 1975 with barely a trace, and no warning call whatsoever. New evidence pins the blame on terrible More »