Inside the sky at night

I find it hard to believe it’s been 25 years since I appeared on The Sky at Night for the first time. A scared student in a new suit, I’d been invited by Patrick to discuss viewers’ questions, which r

Ten years ago, Pluto emerged from the gloom at the Solar System’s ragged edge – and a new world came in from the cold. Five billion kilometres (3 billion miles) from Earth, on 14 July 2015, NASA’s pia

The world’s biggest digital camera telescope has started ...

What would you say if intelligent aliens came calling?

20 amazing answers t o curious

Light pollution is as big a threat to our planet as sewage or plastic, says dark sky officer Dani Robertson