Editor's choice
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'Extreme solar storm' could have pulled the plug on Earth
Satellites, power and water supplies would have been hit if billion-ton plasma cloud had erupted from sun a week earlier
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War of letters over call to abolish EC scientific adviser role
Research charities and scientific organisations fight environmental NGOs to preserve role of adviser to EC president
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Less than 10% of human DNA has functional role, claim scientists
Large stretches may be no more than biological baggage, say researchers after comparing genome with that of other mammals
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Open thread: if Tomorrow's World came back, what should it be like?
Former presenter Maggie Philbin thinks the BBC should revive its popular science show, but how? By Stuart Dredge
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Piggybacking cells hold clue to cancer growth – and treatment for melanoma
Nick Peel: Discovery of how fast growing tumour cells hitch ride on invasive cells could help create a new drug to tackle skin cancer