A revolutionary new model, gaining traction among physicists, suggests our entire universe might be a vast, expanding black hole that emerged from the collapse of a larger, older "parent" universe.

When she was crowned Miss Universe 2007, Riyo Mori’s life underwent a big change. “I had worked so hard to become Miss Universe, and it was a dream coming true,” says Mori, who turns 22 on Christmas ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...

How the same region of the Universe would look in terms of the amount of stars for different values of the dark energy density. Clockwise, from top left, no dark energy, same dark energy density as in ...