One of the most startling scientific discoveries of recent decades is that physics appears to be fine-tuned for life. This means that for life to be possible, certain numbers in physics had to fall ...

Pick up any science fiction book from the 1960s, and you’ll find parallel dimensions explained through magic portals or mysterious machines that work “just because.” Today’s readers want stories that ...

It's easy to envisage other universes, governed by slightly different laws of physics, in which no intelligent life, nor indeed any kind of organized complex systems, could arise. Should we therefore ...

If you're a fan of science fiction films, you'll likely be familiar with the idea of alternate universes—hypothetical planes of existence with different versions of ourselves. As far from reality as ...

Perhaps you saw the news this week about new evidence that we do, indeed, live ina multiverse. A scientist claims he’s found signs in the cosmic microwave background radiation — the afterglow, so to ...

Could parallel universes exist? If so, what would they look like and how would they form? Video by Greg Kestin; article by Charles Choi. Receive emails about upcoming NOVA programs and related content ...

Either there is far more Universe to the Universe than we ever expected or the frontiers of physics may be wandering into a mathematically beautiful but ultimately sterile aether of dubious substance.

Look out at the Universe all you want, with arbitrarily powerful technology, and you'll never find an edge. Space goes on as far as we can see, and everywhere we look we see the same things: matter ...