Could black holes be portals to other universes?

The objects scientists think are black holes could instead be wormholes leading to other universes, a new study says. If so, it would help resolve a quantum conundrum known as the black hole information paradox, but critics say it would also raise new problems, such as how the wormholes would form in the first place.

http://space.newscientist.com/article/dn11745-could-black-holes-be-portals-to-other-universes.html