Two hot air balloons glide through a golden sunset sky — a symbol of freedom, serenity, and endless dreams. Let your mind ...

One editor whose publication made the White House’s new “media offender” database says his reporter has been subjected to ...

Between smoke, stones and debris, groups of rescuers and volunteers working against the clock to save as many lives as possible, have managed to communicate to systematize their work, transforming the ...

The U.S. Coast Guard has released a new, firmer policy addressing the display of hate symbols like swastikas and nooses just hours after it was publicly revealed that it made plans to describe them as ...

Abstract: In the down-link secure space-air-ground integrated network (SAGIN) with practical discrete modulation symbols, we consider the joint design of the power of satellite and unmanned aerial ...