Exciting action-packed new original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Step Back

This ancient Time Lord manual has been kicking around the TARDIS for thousands of years, giving the Doctor plenty of time to 'improve' it with scribbles, doodle

We live forever, barring accidents. Just like everyone else in the universe. The Doctor travels back to the Ancient Days, an era where life flourishes and death

Over billions of years of time travel, the Doctor has run into his fair share of important people - and he's formed opinions on most of them too. Now the Twelft

There are various arguments for the metaphysical impossibility of time travel. Is it impossible because objects could then be in two places at once? Or is it im