Why, in a mirror, is the writing on your t-shirt backwards but your head and feet where they belong? The puzzle of why ...

Think Daylight Savings Time is bad? At least you don’t live in what scientists are calling the “anti-universe,” a hypothetical mirror to the one we know and loathe — where time runs freakin’ backwards ...

But how exactly did scientists come to this conclusion? A new study on the matter focuses on the three most important symmetries that scientists have found in nature: charge, parity, and time. Charge ...