What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

What if gravity repelled instead of attracted? This video explores how repulsive gravity could have shaped the history of the ...

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 ...

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this familiar force remains one of the biggest puzzles in physics.

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.

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

Space power is central to communication, navigation, and surveillance. China’s “Space Silk Road” envisions orbital highways of satellites as critical to global influence, much as maritime routes once ...

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