(CBSDFW/AP) – Astronomers looking at the atmosphere in neighboring Venus see something that might just be a sign of life.

In a study published Monday, they say they found the chemical signature of a noxious gas called phosphine.

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On Earth, phosphine is associated with life. It’s found at the bottom of ponds, in badger guts and in penguin guano. Astronomers tried to figure out other, non-biological ways it could be produced and came up empty.

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Outside experts — and the study authors themselves — say the research is tantalizing but not yet convincing.

 

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