The Big Bang may mark an end—not the start—of a previous universe's aeon. Penrose's theory sees the universe as an eternal ...

Excerpted from "The Universe: Leading Scientists Explore the Origin, Mysteries, and Future of the Cosmos." It originally appeared as a speech given by Steinhardt at an event in 2002. If you were ...

The Many-Worlds Interpretation Proposed by physicist Hugh Everett in 1957, the Many-Worlds Interpretation (MWI) of quantum ...

Penrose's theory sees the universe as an eternal cycle of births and deaths. Consciousness may be built into space-time, not just biology.

In trying to understand the nature of the cosmos, some theorists propose that the universe expands and contracts in endless cycles. Because this behavior is hypothesized to be perpetual, the universe ...

In trying to understand the nature of the cosmos, some theorists propose that the universe expands and contracts in endless cycles. Because this behavior is hypothesized to be perpetual, the universe ...

Because this behavior is hypothesized to be perpetual, the universe should have no beginning and no end -- only eternal cycles of growing and shrinking that extend forever into the future, and ...

Matter as we know it is eternal but cyclical. Space, Time, virtual particles that flit in and out of existence and all other strange and exotic subatomic forces at play in the universe have but a ...

BUFFALO, N.Y. — In trying to understand the nature of the cosmos, some theorists propose that the universe expands and contracts in endless cycles. Because this behavior is hypothesized to be ...