String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single ...

Electricity flows through wires to deliver power, but it loses energy as it moves, delivering less than it started with. But ...

You’ll see how an offshoot, Quantum Field Theory, is considered to be our current best theory of the universe and you can find out how quantum theory is revolutionising our understanding of biology.

Their theory also says that the slow impact forced most of the smaller moon to attach to the side of the moon as a thick, new layer of the lunar crust. "They're destined to collide.