Opinions expressed by Entrepreneur contributors are their own. Amazon Fire Phone, Google Glass, New Coke and Nintendo’s Virtual Boy: What do all these products have in common? They didn’t sell.

Regent Craft received U.S. Coast Guard approval to test its Viceroy seaglider prototype. The 12-passenger seaglider is designed for 180-mile flights at 180 mph, combining aircraft speed with boat ...

Joby’s two preproduction prototype air taxis together have flown more than 33,000 miles over the course of more than 1,500 test flights, the company says. [Courtesy: Joby Aviation] After announcing a ...

Phase 1 included tethered flights, ground taxi testing and high-powered ground runs, all with a pilot on board. Vertical is now preparing to progress to piloted untethered thrustborne testing, as soon ...

Recent advancements in automotive technology have led to the testing of a hydrogen-powered sports car prototype. Engineers are focusing on evaluating the vehicle’s performance, safety, and ...

US air taxi start-up Joby Aviation has concluded the pre-production flight test programme that it launched four years ago, now transitioning into a production-focused phase of development. The Santa ...

This third prototype of South Korea's KAI KF-21 jet fighter conducted its first test flight on 5 January 2023. The prototype will explore a wider range of the aircraft's flight capabilities. (DAPA/KAI ...