The first Terran R is under construction, with several components completed in recent weeks. One such component is the thrust ...

Albert Einstein changed science forever with special and general relativity, redefining space, time, and gravity. Yet after ...

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 ...

Quantum field theory marries the ideas of other quantum theories to depict all particles as “excitations” that arise in ...

Unfortunately, any work you do in the universe will have to be done the old-fashioned way. There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this ...

Global Positioning System (GPS) satellites continuously beam down ultra-precise timestamps, each message essentially saying, ...

Confining and rotating extremely cold atoms or molecules within atomic “Ferris wheels” made from laser light could test ...

Fragments of energy may be the fundamental building blocks of the universe. The theory combines the ideas of particles and waves into a concentration of energy that flows throughout space and time.