Liftoff of the GPS III-SV09 mission occurred at 11:53 p.m. ET on Tuesday (Jan. 27). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

Gen. Stephen Whiting, U.S. Space Command commander, speaks to military officials during a recent forum. Credit: U.S. Space Command ORLANDO, Fla. — The Pentagon for decades has treated launch as the ...

Human spaceflight remains hard, despite progress in "lessons learned." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

REDSTONE ARSENAL, Ala. — To meet the rising threats in missile defense and the space domain, the U.S Army is now accepting applications for its newest military occupational specialty, or MOS.

Abstract: In order to ensure continuous DC link current, the overlap time introduced in the switching process of the current source rectifier (CSR) can lead to undesirable harmonics and reduce ...

Abstract: When the soft-switching three-phase inverter is applied in transformerless photovoltaic (PV) systems, its common-mode (CM) leakage current has to be suppressed to satisfy grid codes. However ...

Texas lawmakers have been pushing to move the space shuttle Discovery from Virginia to the Johnson Space Center in Houston. New NASA administrator Jared Isaacman has suggested Discovery may not be ...

As Ars reported last week, NASA’s plan to replace the International Space Station with commercial space stations is running into a time crunch. The sprawling International Space Station is due to be ...

There’s endless debate among cosmologists about what really makes up the emptiness of outer space, though many believe that mysterious stuff that we now call dark matter and dark energy represent a ...