As the complexity of space missions—such as Earth–Moon transport and deep-space exploration—continues to increase, the classical Keplerian two-body model can no longer meet the precision requirements ...

With several cities considering whether to stop funding DART, Dallas is weighing changes in how it pays for the transit services. Trump orders release of Arkansas congressman's son serving drug ...

Launched between 1971 and 1987 primarily to collect intelligence data on foreign weapon testing, the last satellites in the JUMPSEAT family were withdrawn from service in 2006. A memorandum dated Dec.

The Department of Health and Human Services appears willing to take its contentious 340B Rebate Model Pilot Model back to the drawing board. After a lawsuit filed by hospitals secured a last-minute ...

Do you need to repay your PPP loan? Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology ...