The Interstellar ending has been explained by Nobel Prize winning theoretical physicist Kip Thorne, who also worked on the film with Christopher Nolan.

Physicists say that breaking into the higher dimension of a wormhole could enable interstellar travel—and even time travel. Search. ... Fourth-Dimensional Aliens Could Be Spying On Us; ...

Paramount's big screen revival of Interstellar has been ... as we get closer to the new December 6th date that should reunite us with Matthew McConaughey and his adventures in the fourth dimension.

In the same way, an alien from the fourth dimension may pass largely undetected through a “slice” of our three-dimensional universe. ... A Groundbreaking Discovery For Interstellar Travel; ...

The Fourth Dimension. Sound of Cinema. Matthew Sweet presents music from films inspired by notions of time, space and travel to mark the release of Christopher Nolan's film Interstellar.