It's been 10 years since the Columbia Accident Investigation Board (CAIB) began its careful probe into the reasons NASA lost a second space shuttle. The late Sally Ride, a member of both the CAIB and the Rogers Commission set up after the first shuttle disaster, famously commented at the time that she heard an “echo of Challenger” in the loss of Columbia. Now many of the conditions that allowed the U.S.

In November, Comesep will debut its new space weather alert system

From locating balloons to re-assembling documents, from crowd-designed vehicles to disaster-response robots, researchers are using challenges to draw ideas from those who would never normally do business with the Pentagon.

As budgets are cut and margins squeezed, and business becomes more competitive, industry is turning to challenges to seek diverse views on difficult problems. And the prize, for the companies, can be ideas, talent or visibility in key markets. “Diversity of thought is key to innovation,” says Ray Johnson, Lockheed Martin senior vice president and chief technology officer. “The more different views you get on a problem, the more you can facilitate a culture of innovation.”

The U.S. has long been a leader in creating new technologies and in creatively adapting existing ones to new uses. This leadership arises from the interaction of several mutually supportive sectors of innovation. But we face a serious challenge to continuing that creative interaction which is so necessary to keep the U.S. engine of innovation strong.

EADS says Astrium will benefit from ESA spending plan

New poll shows big support for going to Mars, for surprising reasons

Competitive demonstrations are providing valuable returns for modest outlays