Whether nature actually allows such solutions to exist is still an open debate among theoretical physicists, and even if time travel could happen we certainly don't know how to build a time machine.

In Doctor Who, the Time Vortex is a plane of existence that connects to everything in space and time.The Tardis has an otherworldly power source called the Eye of Harmony that lets it ...

What does 'TARDIS' stand for on Doctor Who? And how come its interior is always changing while its exterior remains the same?

The time-traveling TARDIS from the TV show "Doctor Who" flies through space. The popular series has remained a cultural touchstone for over 50 years. (Image credit: Doctor Who Facebook ) ...

We all know the TARDIS. Blue box. Travels in space and time. Bigger on the inside. May contain a hat stand. For the Doctor and her friends it is home, it is a safe port of call from monsters and ...

A pair of Doctor Who fans will send a replica TARDIS into space to celebrate the show's 50th anniversary.. Robert Doyle and his daughter Alex have raised $33,000 (£21,000) in an online campaign ...

A FATHER obsessed with Doctor Who will celebrate the show's 50th anniversary by sending a lookalike of the TARDIS into space. Express. Home of the Daily and Sunday Express.

A wacky “Doctor Who”-obsessed father and daughter have lift off on their barmy plans to blast a TARDIS into orbit. Robert and Alex Doyle wanted to celebrate the show’s 50th annive… ...

Meanwhile, onboard the TARDIS, the Doctor made a joke about living two days crammed into the space of one. He asked Clara if she felt safe, if she was afraid of the future, of crazy things ...

The first of three Doctor Who 60th-anniversary specials revealed these fun updates to the TARDIS and more. First, let’s talk about that new Doctor Who opening sequence.