Study looks at making asteroid mining viable

There's been a lot of buzz in the media lately about mining asteroids, largely brought on by the introduction of Planetary Resources, Peter Diamandis' new venture into the industry. But is this business proposition actually ...

A worthy endeavor

The space shuttle Endeavour's final flight ended Friday, September 21, when it landed at Los Angeles International Airport en route to its new life as an exhibit at the California Science Center. But without Caltech professors ...

Container ships become more energy-efficient

Technology and Software from Siemens are making the world's largest container ships more energy-efficient. The Korean shipbuilding company Daewoo is building 20 container ships for the Danish shipping company Maersk, each ...

Juno's two Deep Space Maneuvers are 'back-to-back home runs'

(Phys.org)—NASA's Juno spacecraft successfully executed a second Deep Space Maneuver, called DSM-2 last Friday, Sept. 14. The 30 minute firing of its main engine refined the Jupiter-bound spacecraft's trajectory, setting ...

Heavy-duty hybrid trucks deliver on fuel economy

A performance evaluation of Class 8 hybrid electric tractor trailers compared with similar conventional vehicles by the U.S. Department of Energy's (DOE's) National Renewable Energy Laboratory (NREL) shows significant improvements ...

Vesta in Dawn's rear view mirror

(Phys.org)—NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta, using images that were among the last taken by the spacecraft as it departed its companion for the last year.

Dawn craft to depart asteroid for dwarf planet

One asteroid down, one to go. After spending a year gazing at Vesta, NASA's Dawn spacecraft was set to cruise toward the most massive space rock in the asteroid belt between Mars and Jupiter—a voyage that will take nearly ...

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