Add Yahoo as a preferred source to see more of our stories on Google. Artistic impression of the Electrostatic Tractor during an Earth encounter. (CREDIT: Fabio Annecchini & Dario Izzo) A dead ...

For SF works like "Star Wars", as a technique to attract spaceships and luggageTractor beam"Will appear. In reality, we succeeded in making a tractor beam that floats objects by floating ultrasonic ...

Neutrinos are elusive particles that are difficult to study, yet they may help explain some of the biggest mysteries of our universe. Using accelerators to make neutrino beams, scientists are ...

A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why engineers at the University of Colorado Boulder are building what sounds ...