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Although it’s by no means certain, scientists are slowly accumulating evidence that life once existed on the Red Planet
Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?
Amazing answers to your curious questions
Space scientist Dame Dr Maggie Aderin-Pocock is sure there is alien life out there – and she wants a chance to explore it
Projecting our consciousness into other bodies and walking on alien worlds might not be such a far-flung concept
We humans are always wondering whether we’re alone in the Universe. But what if we are one of a long line of species that were around long before our planet even existed? This intriguing idea, that li