The latest research will help astronomers distinguish between the two sources of methane in their search for extraterrestrial life.

这项最新发现将帮助天文学家在寻找外星生命过程中辨别两种来源不同的甲烷。

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Superchiral light could even aid the search for extraterrestrial life.

超手性光束还可能有助于寻找外星生命。

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The search for extraterrestrial life has gained momentum in recent months.

近几个月来，搜寻外星生命的活动获得了很大的进展。

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Astronomers said Thursday the two planets could provide clues to how planetary systems are formed, and aid the search for extraterrestrial life.

CNN: Astronomers spy new neighbors outside solar system

The larger plan is to prepare for the search for extraterrestrial life by looking for things that live in extreme conditions on Earth.

CNN: NASA probes for tiny life at Yellowstone

The link between the search for extraterrestrial life and our Earth-based problems is not surprising, because fundamentally it is all the same thing -- understanding how life, whether us or microbes, can be sustained in the cosmos.

CNN: How the search for aliens can help sustain life on Earth