Is there life on Mars?

火星上有生命吗？

《柯林斯英汉双解大词典》

Today they are still not sure if there was life on Mars.

今天他们仍然不确定火星上是否有生命。

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A long time ago it was widely believed that there was life on Mars.

很久以前，人们普遍认为火星上有生命。

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Yet his theories about life on Mars may have had more lasting influence on many writers of imaginary stories.

VOA: special.2010.07.11

And his theories about waterways and complex life on Mars have been disproved.

VOA: special.2010.07.11

This raises the exciting possibility that life may have existed in the past on Mars.

VOA: special.2009.12.30

What do we currently know about the history and future possibility of life on Mars?

FORBES: Why Is Privatized Space Travel A Challenge?

Meanwhile, the very act of spreading life on Mars has some dangerous unintended consequences.

FORBES: Connect

Caught between a rock and far off place, the quest for life on Mars will continue.

CNN: Life on Mars?