NASA's Helios solar-powered remotely operated aircraft crashed into the Pacific in June last year because available analysis methods were unable to predict the vehicle's increased sensitivity to ...

It may have experienced a devastating crash nine years ago, but you can relive the life of the Helio Prototype unmanned aircraft thanks to a series of NASA photos. It may have experienced a ...

NASA’s unmanned Helios aircraft came down in the Pacific Ocean off Kaua’i, Hawaii during its second flight from Pacific Missile Range Facility (PMRF) today. No firm cause is yet known although a power ...

The prototype solar-powered aircraft Helios broke two altitude records on Monday, although it failed to reach NASA’s ultimate target of 30,480 metres (100,000 feet). Helios climbed to an altitude of ...

After breaking altitude records last year, NASA's Helios solar-powered unmanned aerial vehicle (UAV) is back in storage awaiting its chance to demonstrate the other goal of the program - endurance.

video: In the days before Parker Solar Probe, the record-breaking spacecraft for speed and closest approach to the sun were the two Helios probes, launched in the mid-1970s. This visualization shows ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In this historical photo from the U.S. space agency, the Helios Prototype is an enlarged version ...

LOS ANGELES --NASA is planning a series of test flights of an unmanned flying wing that's designed to run on solar power and cruise for days at 100,000 feet, more than three times higher than ...

NASA is planning 24h-plus endurance flight tests of the solar-powered, remotely piloted Helios flying wing after a successful 16h 55 min flight over the Pacific in mid-August when it set a new world ...