The colours of microbes that live in clouds high in the sky have been measured for the first time, giving scientists clues that could help us find life on other planets. A diverse range of ...
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Water and oxygen aren’t enough: Scientists reveal two ‘must-have’ ingredients for life on other planets
For decades, the search for extraterrestrial life has revolved around a simple rule: follow the water. If a distant planet has liquid water, and perhaps oxygen, it is flagged as potentially habitable.
When astronomers search for planets that could host liquid water on their surface, they start by looking at a star’s habitable zone. Water is a key ingredient for life, and on a planet too close to ...
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