Space as a Warfighting Domain

Space and time are the grand stage where the play of the universe unfolds. But space isn't a fixed stage and doesn't tick the same for everyone everywhere. In short, they are relative. Matter bends space and bent space tells matter how to move.

• Put some stars and ...

For many ages, space was pristine. In 1957, the Soviet Union launched Sputnik 1 into orbit, but when the batteries died, the aluminium satellite marked the end of an unspoiled era.

According to NASA, the space above Earth is now the world's largest garbage dump. It consis...

Unified space-time starts to make sense if we think that the speed of light is a relationship between the distance traveled over time.

Because the speed of light can't change, your laser beam won't go any faster. The measurement of distance and time must be changed instead, depending on th...