Spacetime isn’t something that exists; it’s a model for describing how events happen. Treating events as objects creates philosophical confusion and fuels misconceptions, such as time-travel paradoxes ...

Gravitational wave detectors on Earth have heard the "cry" of two newborn black holes with some unusual and remarkable ...

If you were able to visualize the passage of time, it may appear as looping ribbons of color, these fragments ribboning and ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

Physicists have analyzed two enormous black hole mergers that happened one month apart and have come up with tantalizing ...

The symphonies registered by the wave detectors were produced during the collision that created the black holes, according to ...

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

Neil deGrasse Tyson unravels the mystery of wormholes—cosmic tunnels that could connect distant parts of the universe. Are ...

Is 3I/ATLAS 'alien tech'? Harvard's Avi Loeb details 8 anomalies, including a Jupiter trajectory that 'defies spacetime,' as the object faces its 'acid test' at perihelion.

How to build a particle collider the size of the solar system. To observe the quantum nature of gravity and of spacetime itself, we need a particle collider the size of the solar system. Or we could ...