In a revelation sparking curiosity, researchers in Canada claim to have demonstrated "negative time" in action. A quantum experiment led by University of Toronto scientists suggests light emerges ...

But the real truth, in terms of the mathematical outcomes, is more like another classic parable: the monkey’s paw. Be careful what you wish for, and be careful what you time travel for.

A peer-reviewed study confirms the mathematical feasibility of time travel using closed time-like curves (CTCs), as posited by Einstein. Tobar compares the outcomes to the monkey’s paw—actions ...

In a peer-reviewed paper, a scientist says he has mathematically proven the physical feasibility of a specific kind of time travel. The paper appears in Classical and Quantum Gravity. Germain Tobar ...