People familiar with matter say Prime Air drone unit is experiencing 'significant' layoffs.
The FAA is exploring new rules and technology as part of the MOSAIC rulemaking package.
The agency answers pressing questions about how the next generation of transport aircraft will develop and operate.
Company says it plans to begin selling its H1 'flying car' eVTOL next year.
The space launch company says the mission reached certain milestones despite problems that kept its payload from reaching orbit.