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

So we'll just have to compare the Doctor's TARDIS with our best instruments of simply measuring time and space. How good is Doctor Who's TARDIS really?

Although the Tardis regions expand faster than the surrounding dust space, this does not change their apparent size from outside, so at first glance it is difficult to see how this accelerates the ...

Look out, dark energy: A TARDIS may be the real reason the universe is accelerating. Regions in space-time that are bigger on the inside than the outside — just like the sci-fi character Doctor ...

In other words, this region of space would be bigger on the inside than it looks from the outside. Lavinto and co then calculated what our Universe would look like if it contained Tardis regions.

The time-traveling box in "Doctor Who," called the TARDIS, is easily the coolest part of the show. It's capable of traveling any direction through space and time — so it can visit any planet at ...

Enjoy intergalactic vibes with Doctor Who's 24/7 TARDIS ambient video complete with very chill console room ASMR goodness.

Just in time for the real-life Eurovision Song Contest, the TARDIS takes a detour to the 2925 version of the annual song and dance jamboree. In "Doctor Who" season 2 episode 6, "The Interstellar ...

Interestingly, in a kind of negative-space Easter egg foreshadowing thing, we couldn’t see the interior of the TARDIS at all when the Doctor landed at the start of the episode.

The story of Doctor Who from the BBC Archives: An exploration of the TARDIS, a Type 40 Capsule that transports the Doctor through time and space.

In celebration of the 50th anniversary of Doctor Who, a father and daughter have raised funds to put a TARDIS time capsule — full of info from Kickstarter backers — into space.

Look out, dark energy: A TARDIS may be the real reason the universe is accelerating. Regions in space-time that are bigger on the inside than the outside — just like the sci-fi character Doctor ...