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 ...

Nearly 60 years ago, the original Star Trek series ignited a dream in the public’s imagination: that one day, people would travel the galaxy in ships propelled by faster-than-light “warp drives.” The ...

Kayhan Space, a leading provider of advanced spaceflight intelligence and autonomous safety solutions, today announced the launch of sgp4.gl, a GPU-accelerated SGP4 propagator purpose-built for ...

Kayhan Space’s sgp4.gl demo shows how the tool can render large satellite catalogs in a web browser. Credit: Kayhan Space TAMPA, Fla. — Orbital traffic software firm Kayhan Space released a free ...

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 ...

Vitesse Systems, backed by private equity firm Trive Capital, has completed the acquisition of Spacetime Engineering, a specialist in ground antenna technology for military and commercial satellite ...

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 ...

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 ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

Researchers have developed a blueprint for weaving hopfions—complex, knot-like light structures—into repeating spacetime crystals. By exploiting two-color beams, they can generate ordered chains and ...

"We immediately knew we had to pursue this further." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Thanks to a theory put forward by Albert ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...