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 ...

The only constant is change, as they say, and that’s as true in the automotive world as anywhere else. Now, it’s the Porsche Boxster’s turn to move with the times, as the popular convertible will soon ...

The answer to these questions in order is no, kind of, and yes. The Lucid Gravity is the startup automaker’s upcoming crossover SUV, but in many ways it redefines the genre in terms of packaging, ...

U.K.-based electric vertical takeoff and landing (eVTOL) air taxi manufacturer Vertical Aerospace is back to testing aircraft. The manufacturer has begun ground testing a new, more advanced full-scale ...

Tesla's upcoming robotaxi event on October 10 has people pumped up with excitement. Previous rumors indicated that Tesla booked Warner Studios for the event, and this seems to be the case. A new ...

Anglo‑German defence and aerospace company Hypersonica has carried out its first flight test of a prototype hypersonic strike missile, the company announced in a ...

Nearly a year ago, GM Authority brought you coverage of a prototype Chevy Tahoe running around on public roads with a few interesting features that suggested it may have been a prototype Chevy Tahoe ...