String theory may be our best attempt at a theory of everything, except that it can't describe an expanding universe like ...

We cannot truly say that the universe is expanding "into" anything else. There is no fixed center, nor is there any rigid outer boundary. It is merely expanding, just as the balloon membrane ...

A groundbreaking new study suggests the mysterious force which prevents the universe from shrinking could be weakening.

Not only is the universe expanding, but it is expanding at an accelerated rate, meaning it is getting bigger faster and faster over time. In our balloon analogy, imagine blowing air into the ...