With 20 years’ notice, paint pellets could cause an asteroid to veer off course. In the event that a giant asteroid is headed toward Earth, you’d better hope that it’s blindingly w... Read more
A penny-sized rocket thruster may soon power the smallest satellites in space. As small as a penny, these thrusters run on jets of ion beams. The device, designed by Paulo Lozano,... Read more
Biplane to Break the Sound Barrier Cheaper, quieter and fuel-efficient biplanes could put supersonic travel on the horizon. For 27 years, the Concorde provided its passengers with... Read more
A manned Shuttle replacement based on the X-37B robot space plane When the Space Shuttle Atlantis touched down for the final time on July 21, 2011, it looked as if the notion of a... Read more
MIT-led team designs airplanes that would use 70 percent less fuel than current models. In what could set the stage for a fundamental shift in commercial aviation, an MIT-led team... Read more
