They suggested that the early universe—which exploded from a single point and was very, very small at first—was one-dimensional (like a straight line) before expanding to include two dimensions (like ...

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

BUFFALO, N.Y. — Did the early universe have just one spatial dimension? That’s the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and ...

Physicists have proposed a new theory that explains why our universe occupies three spatial dimensions, giving insight into how the cosmos came to be.

Could the universe have more dimensions than we realize? (Image credit: Getty Images) String theory is a purported theory of everything that physicists hope will one day explain … everything.

They believe the way our universe started and then diluted as it expanded – what they call the relaxation principle – favored formation of three- and seven-dimensional realities.

Whether as the protons and neutrons that help form chemical elements, the photons that we perceive as light or even the flows ...

The strictest limits yet on the size of extra dimensions come from the fact that black holes haven't destroyed the universe.