Whether space-time exists should be neither controversial nor even conceptually challenging, given the definitions of "space-time," "events" and "instants." The idea that space-time exists is no more ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

A mathematical test for the nature of space-time – the fabric of physical reality – may be the first step towards novel computer-like devices that process information using gravity. Eleftherios-Ermis ...

NATIONAL HARBOR, Md.— A new Space Force planning document predicting future enemy trends through 2040, designed to help officials better acquire key technologies and prioritize missions, should be ...

The next year is crucial for the future of NASA and its plans to extend human activity in low-Earth orbit. For the first time in decades, the US space agency faces the not-too-distant prospect of ...