SpaceX launched its Starship Super Heavy system from Starbase in South Texas. The flight aimed to gather data on the rocket's ...

The ambitious plan for a new U.S. missile-defense shield needs to navigate technology hurdles and budget questions.

Given that the orbital altitude of the Challenging Minisatellite Payload (CHAMP) satellite changes continuously, we have calculated the Q-response and the C-response at different altitudes through ...

Failure of the satellite control system to maintain the required pointing accuracy ... In this paper, the combined effect of the TDI steps, satellite attitude parameters, and orbital altitude ...

Chutian-001, which was launched from the Jiuquan Satellite Launch Centre a year ago, showed core capabilities – including satellite system performance ... satellite control in very low orbits ...

Experts say that underinvestment really is the root cause of most of the headaches in the current U.S. air traffic control system ... and writes the Cruising Altitude column for USA TODAY.

This review is focused on the impact of the high-altitude environment on the male reproductive system. In high-altitude areas, the unique conditions lead to complex and significant changes in male ...