Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed ...

One of the most famous paradoxes ever, the grandfather paradox, cautions against making changes that could break the timeline if you were to ever travel back in time. But, according to one scientist, ...

Time travel is deterministic and locally free, a paper says—resolving an age-old paradox. This follows research observing that the present is not changed by a time-traveling qubit. It’s still ...

A peer-reviewed study confirms the mathematical feasibility of time travel using closed time-like ... exists in space ‘2182 ends humanity?’ Scientists reveal the deadly truth about an incoming ...

Time travel has fascinated humanity for generations ... How these would behave on a time loop has puzzled scientists for decades. Physicist Lorenzo Gavassino’s recent study, however, offers ...

Vanderbilt University physicist Lorenzo Gavassino isn't so sure this is as big an obstacle as time-traveler pessimists have ...

The possibility of time travel has fascinated humanity for centuries, fueling both literary imagination and scientific debates. In a study published in Classical and Quantum Gravity, physicist Lorenzo ...

If time travel is possible ... We'll also keep you up to date with New Scientist events and special offers.

From Back to the Future to Tenet and Interstellar, cinema has portrayed time travel in many imaginative ... We'll also keep you up to date with New Scientist events and special offers.