Gaia in the UK

Taking the Galactic Census

Science videos

Dark Matter

What's the matter with dark matter?
Watch video Dark Matter

Event Horizons

Black holes: what is the point of no return?
Watch video Event Horizons

Life on Mars

Discover how asteroids and microbes flying through space could hold the secret to life on Earth and Mars.
Watch video Life on Mars

The Rotating Moon

Discover how the Moon's orbit means we always see its best side.
Watch video The Rotating Moon

A Day on Mercury

Find out how you'd pass the time on a planet where a single day lasts two years.
Watch video A Day on Mercury


What are the exoplanets?
Watch video Exoplanets


What happens when a star explodes?
Watch video Supernovae

The Big Bang

How big was the Big Bang?
Watch video The Big Bang

Gaia and the Killer Asteroids

How will Gaia help us spot Killer Asteroids?
Watch video Gaia and the Killer Asteroids

Taking a Galactic Census

How do you take a census in space?
Watch video Taking a Galactic Census