A new theory suggests our universe and a time-reversed twin could emerge together. This quantum approach avoids singularities ...

Or think of it this way: if an atom were magnified to the size of the solar system ... Starting at an everyday scale, we travel by powers of 100 down into the shadowy world of strings.

Theoretical physicists James Hartle and Stephen Hawking, for example, proposed that rather than having a strict beginning as we would understand it, the universe evolved out of a "no-boundary" state ...

An IIT scientist proposes a twin universe born alongside ours, where time flows in reverse. This theory challenges the Big ...

"Seeing a massive, well-ordered disk galaxy when the universe was just 2.4 billion years ... and yet is comparable to the size of today's most massive disks. Dr. Nanayakkara says the disk lives ...