A beam of light can cross the entire universe in no time at all
A photon can cross a billion light-years while accumulating no elapsed time along its path.Special relativity links space…
Quantum Gravity May Be Far Less Quantum Than Physicists Expected
Physicists have long assumed that uniting quantum mechanics with gravity would require spacetime itself to behave quantum mechanically.…
Scientists Develop a New Way To Measure Gravitational Waves in the Expanding Universe
Gravitational waves are typically studied as faint disturbances moving through otherwise quiet spacetime, but the situation becomes far…
The Strange “Spacetime Crystal” That Can Suddenly Turn Into a Black Hole
Physicists have long known that black holes do not necessarily have to form from collapsing stars. Under the…
Einstein-Rosen Bridges May Not Be Wormholes After All, Physicists Reveal
The concept of the Einstein-Rosen bridge is often understood as a cosmic shortcut, akin to a tunnel that…
Physicists believe that warp drive could exist in the next 100 years
Warp drive has long lived in science fiction, but physicists now treat it as a real, if deeply…
Black hole GW190521 may be a wormhole from another universe
For just one-tenth of a second in May 2019, the universe delivered a signal that did not fit…
Quantum Physics’ Strangest Problem May Hold the Key to Time Itself
Quantum collapse models hint at tiny time fluctuations. Credit: FQxI/Gabriel Fitzpatrick (2026) An FQxI cofunded study suggests hidden…
Light can travel for billions of years yet experience no time
A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time…
A New Theory Says Gravity May Come From Entropy—Which Could Lead to a Unified Theory of Physics
Here’s what you’ll learn when you read this story: A new theory suggests that gravity could possibly be…
Black holes are twisting the universe: New discovery shows Einstein was right |
Some discoveries arrive quietly, without fireworks or clean endings. Astronomers were watching a distant flare from a galaxy…
A New Theory Says Hidden Dimensions May Create Mass. That Would Rewrite Particle Physics.
Here’s what you’ll learn when you read this story: Current theories suggest that W and Z bosons acquire…