The science pros at TKOR explore what color a mirror really appears to be. As Trump zeroes in on Greenland, Texas Sen. John ...

Physicists have finally turned a long standing thought experiment into a laboratory reality, showing that electromagnetic waves can be reflected in time as cleanly as light bounces off a mirror in ...

It’s not just in your head — time can actually flip. Physicists in New York have pulled off what sounds like a page ripped from a sci-fi script: They’ve confirmed that “time mirrors,” a trippy ...