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.

California-based electric vertical takeoff and landing (eVTOL) air taxi developer Joby Aviation is advancing from testing with developmental models to aircraft that meet FAA design criteria—a critical ...

How do you close the gap between I wonder and I know? You make a prototype. A prototype is a tool that gives you a chance to investigate your ideas and explore what could, should, or would come next, ...

Radian Aerospace’s subscale prototype for its Radian One space plane sits on a runway in the United Arab Emirates. (Radian Aerospace Photo) Seattle-based Radian Aerospace has finished the first round ...

Tesla has been spotted testing a Model 3 prototype with what appears to be a new camera setup. Is Tesla preparing a new vision rig for its next vehicles? While most other companies working on ...

At the PARI Hypersonics Advanced Manufacturing Technology Center (HAMTC), from left: Nate Humbert, lead additive manufacturing engineer, GE Additive; Will DeVerter, aeronautics and astronautics ...

127 years ago, a coffin fell from the sky. Scientists just solved a major piece of its mystery. Explosive mid-March storm to impact 200 million in US, feature Midwest blizzard There's a toxic new ...

Donut Lab battery validation adds a 10-day room-temperature retention figure of 97.7%, while energy density and weight data remain absent.