NASA is canceling the AXIS X-ray space telescope mission concept, saying it failed to meet key requirements. But the project leader thinks there's another reason.

NASA is seeking proposals from launch providers to join the Launch Services II contract vehicle, which supports federal space ...

The U.S. Space Force has formally terminated an estimated $1.7 billion contract with defense technology firm AeroVironment to build a new generation of antennas used to command and control military ...