GoAero's competition to develop a VTOL aircraft for emergency-response missions has revised its rules in a bid to open up the contest to more teams.

Japan backs aircraft electrification; flying warehouse for delivery drones; certifying autonomous flight; silicon batteries for eVTOL.

A widening gap between the well-capitalized and poorly capitalized startups suggests that not all the publicly traded players will make it to entry into service

Wisk plans to fly the first prototype of its sixth-generation electric vertical-takeoff-and-landing aircraft this year.