The significant new round of investment ensures that Stoke will have the resources needed to slog through this period of ...

Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...

Einstein’s theory of relativity reshaped our understanding of time space and gravity But deep inside its equations lies a ...

Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

New observations of two black holes merging have confirmed predictions made decades ago by Albert Einstein, Stephen Hawking, ...

Ancient Greeks saw Earth as the universe’s center, but Einstein shattered this view with relativity, replacing absolute space ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The id ...

Space-time is the map of where and when events happen. A worldline is the record of every event that occurs throughout one’s life. The key question is whether the map — or all the events it draws ...

Since that day, LIGO — composed of two highly sensitive laser interferometers located in Hanford, Washington and Livingston, ...

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 fresh black hole merger detection has offered the clearest evidence yet for Einstein’s relativity and Hawking’s predictions. Scientists tracked the complete cosmic collision, confirming that black ...

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