Humans have been trying to contact aliens for many years, but do the aliens want to contact us? – Sai, aged eight, London, UK This is a great question – and the truth is that we don’t know the answer.

Alien life could take many different forms, but one possibility is captivating scientists: alien "plants". What would they look like? And how could we find them? On the Orion arm of the Milky Way ...

Artist Julia Christensen is collaborating with scientists at US-based space agency NASA, which is preparing to send a space probe to conduct a reconnaissance fly-by around the star Alpha Centauri. The ...

Ethel the space alien lived on the planet Casa, a long way away from Earth. She loved travelling and making new friends. One day Ethel started a new job as a 'Faraway Friend Finder'. Her mission was ...

Alien: Earth was the franchise's first-ever incursion into the TV space, daring to ask the question, "What if Alien, but good again?" The answer? A critical hit and one of the most brilliant sci-fi ...