Fossilised riverbeds have been discovered on an ancient region of
Mars, supporting the idea that the now cold and dry Red Planet had
a warm and wet climate about 4 billion years ago, according to research led by PhD student, Joel Davis (UCL Earth Sciences).
Read: Independent,
More: UCL News,
Listen:
BBC Radio 4 'Inside Science' (from 8 mins 17 secs)
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