The universe comes with a built‑in speed cap, a hard limit that shapes everything from how stars shine to how cause and ...
A recent study proposes that gravity, the force shaping galaxies and anchoring planets, might not be fundamental after all.
Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...
Lorentzian geometry forms the mathematical cornerstone of modern spacetime theory by providing a framework in which the causal structure and metric properties of the universe can be rigorously ...