For centuries, Mars has captivated scientists and the public alike with its striking red hue. Early astronomers speculated ...

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NASA 's curiosity rover recently snapped a close-up image of a tiny, flower-like mineral deposit on the surface of Mars. The one centimetre wide, beautiful branching rock that looks a bit like a ...

On Earth, plants make the majority of the oxygen supply. On Mars there's a chicken-and-egg problem: the planet needs photosynthetic plants to make oxygen from carbon dioxide, but the climate must ...