Science correspondent Allan Blackman joins Kathryn to talk about what samples of the asteroid Bennu reveal about the building ...

Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, ...

Nasa has it down to 0.0017 per cent – meaning the asteroid will safely pass Earth in 2032 and there’s no threat of impact for ...

Scientists have finally declared Earth safe from a newly discovered asteroid - but it might hit the Moon.