There are plenty of rivalries in the US launch industry. People who build big and brawny machines tend to have egos to match. And if you chat up the senior executives of these rocket companies offline ...

A prototype of Astra's Rocket 4 launch vehicle. Credit: Astra PARIS — Astra is targeting next summer for the first flight of its Rocket 4 vehicle as the company prepares to reenter the launch market.

The U.S. Federal Aviation Administration (FAA) has cleared Firefly Aerospace to resume launches of its Alpha rocket. The approval follows a months-long review of the failed "Message in a Booster" ...